The Infinite Extent recap

The Bobs confront three linked challenges: an unknown force attacking human space, the exclusionary Pan-Galactic Federation, and the approaching black hole Nemesis. Bill and Garfield reverse-engineer an ancient wreck to create FTL drives and warp torpedoes, which turn the colonial war after Medeiros claims responsibility. Will returns the Fargo evacuees to a restored Earth, where Bobby's proposal to found a legitimate Brazilian state gives Medeiros a lawful superior who orders him to stop fighting. Calvin and Goku uncover ancient machinery and a wormhole route near Nemesis. Icarus and Daedalus follow another hidden route beyond the galactic center and meet an entity claiming to represent the original builders of the wormhole network. With the war ended, the Bobs resume their unfinished plan to test pusher plates and build a warp-supported route toward Nemesis.

Previously: The Bobiverse expanded from Bob's original replication into a diverse population of digital people whose relationships with biological societies became increasingly complicated. WormNet now links distant systems, while the United Federation of Sentients manages relations among human colonies and allies. The Quinlans, including Teresa and Anik, have become important partners, and the PAV remains a powerful but culturally distant civilization. Howard and Bridget helped relocate Lemuria's dragons, though their long-term habitat needs are unresolved. Will still carries responsibility for people displaced from Romulus, and Earth is undergoing restoration. The Pan-Galactic Federation possesses an immense wormhole network beyond human space, while the wandering black hole Nemesis remains an eventual threat. Past conflict with Starfleet left many humans and replicants distrustful of one another. Thoth, an advanced artificial intelligence, is absent but still relevant to the Bobs' questions about digital life and control.

An independent Bob explorer is destroyed by an unexplained impact. Soon afterward, Greg is ambushed as he returns through WormNet and destroys his own ship to prevent capture. Bill restores him from backup, and Greg retraces his route in an armed vessel. Wreckage and missile residue prove that his loss was a deliberate military attack, prompting Bill to warn the wider Bobiverse. Elsewhere, Icarus organizes an expedition to map the Federation's uneven wormhole network and look for a route toward Nemesis. Calvin and Goku join the exploration and find a maintained endpoint in a seemingly useless system. The Federation's Archivist rejects a membership application from Icarus because digital beings cannot qualify, forcing the UFS to seek a biological representative. Howard and Bridget find the relocated Lemurian dragons secure for now but constrained by future habitat growth. Howard also faces a New Home campaign against remote bodies. Teresa opens talks with New PAV, assisted by Bob in a Quinlan body, and learns that PAV attitudes toward humans are shaped by a strongly transactional view of obligation.

Bill's search finds four more missing Bobs, mostly isolated explorers near the margins of human space, but the attacker's selection criteria remain unclear. Bob and Will begin helping the Romulus evacuees aboard Fargo choose a permanent home, with a return to Earth gaining support. A newly activated mobile habitat also suggests that future settlements need not depend on planets. Calvin and Goku discover a microscopic wormhole kernel held by paired satellites. Bill believes they can force its remote end open, offers them stronger ships for the experiment, and the pair chooses to transfer into the new hulls. A biological UFS representative then applies for provisional Federation membership, only to be rejected because the UFS recognizes too many free digital intelligences. The Federation permits only purpose-limited artificial minds and has prohibited replication since the Great Upheaval. It will neither admit the UFS nor grant it network communications unless replicants lose influence over biological society. Icarus's team consequently turns its attention toward hidden or disconnected routes that may not appear on the public map.

After the Federation closes the diplomatic path, Howard hints at an independent communications solution. Calvin and Goku enlarge the dormant wormhole and discover that its far mouth lies inside a damaged artificial structure. Their inspection reveals an ancient alien derelict carrying paired kernels and a massive negative-energy system. They tow it toward human space for Bill, who suspects its damaged machinery may be an Alcubierre drive. Hugh reports that biological revival and bioprinting research could eventually let replicants inhabit living bodies, though Brennan's simultaneous biological and replicant versions expose serious questions about continuity and consent. On the political front, Howard defeats New Home's compulsory Huey marker by turning it into a fashion symbol, while Will warns that the humiliation may deepen hostility. The Fargo population considers several settlement plans. Charles confirms that Earth's restored ecosystems can receive them, and the final vote selects recolonization. Will and Charles begin assembling the necessary colony package.

Bill and Garfield receive the alien derelict at Epsilon Eridani and find an autonomous craft filled with wormhole kernels and powered by a huge negative-energy generator. Its surviving machinery offers enough evidence for experimental drive designs, though the first tests fail catastrophically. In parallel, they establish their own communications link across paired Federation wormholes and begin extending BobNet through explored space. Calvin and Goku find a Federation portal leading to a globular cluster, where a black hole is approaching the connection. Icarus and Day compare this anomaly with other irregular links and suspect that unusual routes have been deliberately closed or concealed. The Fargo settlers complete their move to Earth, and Charles's rapid printing method promises much faster construction and ecological expansion. The separate mysteries become an immediate war when coordinated unknown forces strike all thirteen human colonies. They destroy public communications and target military and industrial assets while usually avoiding civilians. Hidden Bobiverse relays preserve contact, Bill closes WormNet routes against invasion, and the Bobs reactivate centralized tactical coordination.

The colonial governments struggle to coordinate because distrust of the Bobiverse and local autonomy impede a common defense. Bobby contributes Delta Dorada's metals and factories, while Teresa secures more than one hundred PAV warships. The PAV wins an initial battle, but fresh enemy formations reverse the advantage and reveal reserves far beyond expectations. Thor traces their arrivals to the outer reaches of each system. Bill and Garfield continue studying the recovered drive. Their fifth design exceeds light speed, but travelers still experience about a year for every light-year covered, and greater speed demands extreme energy or tiny payloads. Even so, the system can carry wormhole endpoints and may eventually support work against Nemesis. The enemy then identifies himself as Medeiros, a Brazilian probe replicant from Bob's past. He claims several colonies and demands a restored empire, reduced civil rights, an end to replication, and execution of replicants. His ships lack WormNet access but are dispersed throughout the outer systems, making their reserves difficult to locate or destroy.

The Bobs commit to finding Medeiros's dispersed reserves while leaving visible defense to colonial forces. Anik supplies Quinlan manufacturing but refuses to deploy Quinlan fighters. Calvin and Goku offer a nearby stellar black hole as a possible test for the pusher-plate concept needed against Nemesis. When they try using plates to move its portal satellites, the mouth vanishes and strands them briefly, then reforms. They switch to slow physical towing. Garfield discovers that smaller warp fields can reach much higher speeds, including a nearly payload-free test at forty-two times light speed. Bill applies the same principles to weapons that remain hidden from SUDAR while in warp. With five colonies lost and ordinary scouts being destroyed, these warp torpedoes and FTL reconnaissance drones become the best chance to reverse the war. Bob proposes layered detection shells around every surviving colony. Meanwhile, Calvin and Goku locate a portal outside standard Federation construction. It leads to a system crowded with cold, inert artificial objects whose origin and purpose remain unexplained.

Tests validate the warp torpedo after a software correction for long-distance navigation. The new weapons then destroy an incoming Medeiros force at 82 Eridani within minutes, decisively changing the tactical balance despite limited production. Thor expects Medeiros to react dangerously once he understands the threat. Bobby's industrial contribution earns her a place in the senior strategic group, where Bill argues that warp technology also makes renewed planning against Nemesis possible. Calvin and Goku survey almost two hundred enormous dead machines beyond the non-Federation portal. Their purpose remains obscure, but the objects contain extensive machinery and very little space for crews. Teresa assures Bob that her diplomacy aims to settle the PAV's perceived debt to humanity, not create an alliance against it. Bill then visits the Archivist and finds a way to ask questions under the authority of the earlier biological representative. The answers establish that neither FTL nor the original wormhole network belongs to the Federation. The Federation inherited the system and later replaced some inaccessible hardware, making an unknown elder civilization the likely source of both the network and the derelict.

Icarus and Day decide to investigate an anomalous region near the galactic center by sending a warp drone with a wormhole endpoint. Medeiros simultaneously commits his remaining forces to attacks across every unoccupied colony. The Bobs redistribute their depleted torpedo stock through concealed portals and break the immediate assault, but Medeiros escalates by threatening relativistic strikes against entire inhabited worlds. Neither interception nor wormhole diversion offers a dependable defense. Medeiros demonstrates the threat by shattering an uninhabited planet in the Great River system with thousands of accelerated projectiles. A direct hunt cannot stop him before another strike, and individual colonies may surrender. Bobby proposes satisfying his objective instead: establish a genuine Brazilian state on the restored Earth, give it a lawful government, and place Medeiros under its authority. Will reports that Earth's growing population can support the plan. The Bobs and settlers begin creating the state, its laws, territory, and ceremonial institutions, hoping Medeiros will accept its leadership instead of continuing the war.

Calvin and Goku investigate the second portal in the ancient machine system and find that it crosses roughly forty-five thousand light-years to a point near Nemesis. The purposeful placement suggests that the pre-Federation builders were observing the black hole. Their discovery gives the Bobs a possible starting point for any future attempt to redirect it. Bob contacts Medeiros and offers peace through a newly reconstituted Brazilian state on Earth. Medeiros does not surrender, but he pauses hostilities while assessing the claim. Will's group completes a government, constitution, laws, and most of the physical setting needed to present the state as legitimate, despite political objections from other Earth communities. The war's resolution therefore remains pending at the close of the numbered chapters. At the same time, Icarus and his expedition partner reach the region near Sagittarius A-star. They detect a small old wormhole installation, probe the route without finding an immediate threat, preserve a record of their progress, and pass through into an unknown destination.

The reconstituted Brazilian state proves sufficient to end Medeiros's campaign. Its interim president is presented as a lawful heir, accepts Medeiros into the new command structure, and orders him to cease hostilities with the UFS colonies. Medeiros complies, leaving Earth resettled and the Bobs with expanded industry, working FTL, and warp torpedoes. Political distrust of replicants remains, as do the unresolved limits on Lemuria's dragon population and the uncertain direction of Quinlan-PAV relations. The strategic focus returns to Nemesis. Calvin and Goku have found an ancient network connection near the black hole, while Bill and Garfield's technology makes staged wormhole delivery conceivable. The group still needs a black-hole test and immense pusher-plate production. Bill also receives an unsigned wormhole-engineering proposal that may come from Thoth. Beyond the numbered chapters, Icarus and Daedalus enter a hidden route and encounter an entity using Guppy's appearance that claims to represent the network's original builders. Its purpose and the builders' intentions remain unknown.