Story Structure — 5 Plot Phases
The Generational Voyage
Humanitas leaves a climate-ravaged Earth carrying a specially prepared young crew. Richard is responsible for guiding them through the beginning of the multi-generational mission.
Key Events
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Habitable Planet Discovered — Astrophysicists identify a habitable planet as Earth suffers from climate change.
Location: Earth
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Humanitas Mission Launches — Thirty preadolescent crew members launch aboard Humanitas with Richard as commander. Characters: Christopher, Zac, Sela, Phoebe, Richard
Location: Humanitas launch system
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Generational Mission Plan — The mission plans repeated IVF reproduction across generations during the long flight. Characters: Christopher, Zac, Sela, Phoebe, Richard
Location: Humanitas
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Chemical Suppression Revealed — Christopher and Zac discover that food contains a chemical suppressing sex drive and pleasure. Characters: Christopher, Zac, Sela
Location: Humanitas dining area
Desire Breaks Containment
Christopher and Zac discover the chemical controlling the crew's pleasure and sexuality. Their decision to stop taking it leads to competition, anxiety, and an assault against Sela.
Key Events
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Chemical Suppression Revealed — Christopher and Zac discover that food contains a chemical suppressing sex drive and pleasure. Characters: Christopher, Zac, Sela
Location: Humanitas dining area
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Christopher and Zac Stop Dosing — Christopher and Zac stop taking the chemical as their hormones begin to surge. Characters: Christopher, Zac
Location: Humanitas
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Assault of Sela — Sela is assaulted by a boy, distressing the female crew and Richard. Characters: Sela, Richard
Location: Humanitas
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Communications System Fails — Richard works outside the ship to repair the failed Earth communication system. Characters: Richard, Zac
Location: Exterior of Humanitas
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Richard Dies in the Repair — Richard is killed when Zac turns on electricity during the communications-array repair. Characters: Richard, Zac
Location: Exterior of Humanitas
The Command Vacuum
Richard dies during a communications repair, and a fire damages the ship. Christopher becomes chief officer, while Zac removes the chemical from the crew's routine and accelerates the breakdown of order.
Key Events
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Richard Dies in the Repair — Richard is killed when Zac turns on electricity during the communications-array repair. Characters: Richard, Zac
Location: Exterior of Humanitas
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Ship Systems Burn — The electrical incident causes a fire and damages additional ship systems. Characters: Zac
Location: Humanitas communications section
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Christopher Takes Command — The crew votes Christopher in as chief officer, upsetting Zac. Characters: Christopher, Zac
Location: Humanitas council area
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Chemical Ban Spreads — Zac tells the others to stop ingesting the chemical, intensifying the crew's instability. Characters: Zac, Christopher
Location: Humanitas
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Crew Descends Into Madness — Many young crew members revert to primal behavior as discipline and emotional control collapse. Characters: Christopher, Zac, Sela, Phoebe
Location: Humanitas
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Zac Claims Alien Attack — Zac falsely claims an alien killed Richard and promises protection while opening the food stores. Characters: Zac, Christopher
Location: Humanitas communal area
Zac's Manufactured Tyranny
Zac blames an alien for Richard's death and wins most of the crew by promising protection and unrestricted food. Christopher and Sela uncover evidence that Zac caused the disaster.
Key Events
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Zac Claims Alien Attack — Zac falsely claims an alien killed Richard and promises protection while opening the food stores. Characters: Zac, Christopher
Location: Humanitas communal area
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Zac Wins the Majority — Zac convinces all but five crew members to follow him instead of Christopher. Characters: Zac, Christopher, Sela, Phoebe
Location: Humanitas
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Video Disk Recovered — Christopher and Sela find and repair a video disk containing evidence about Richard's death. Characters: Christopher, Sela
Location: Humanitas systems area
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Zac's Crime Exposed — The disk shows that Zac killed Richard and caused further communications damage. Characters: Christopher, Sela, Zac
Location: Humanitas communal area
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Alien Paranoia Spreads — Zac persuades followers that an alien inhabits one of the crew members. Characters: Zac, Christopher, Sela
Location: Humanitas
The Last Holdouts
Zac's followers turn on one of their own and gain access to the weapons cache. Phoebe is killed, but Christopher and Sela defeat Zac and restore peaceful life aboard the ship.
Key Events
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Follower Is Murdered — Zac's followers murder one of their own because of the alien accusation. Characters: Zac, Christopher, Sela
Location: Humanitas
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Weapons Cache Revealed — Christopher inadvertently leads Zac to the weapons cache intended for future generations. Characters: Christopher, Zac, Sela, Phoebe
Location: Humanitas weapons cache
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Holdouts Are Reduced — Three holdouts join Zac's mob, leaving Christopher, Sela, and Phoebe to resist him. Characters: Christopher, Sela, Phoebe, Zac
Location: Humanitas
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Phoebe Is Killed — A member of Zac's mob kills Phoebe, leaving Christopher and Sela as the final opponents. Characters: Christopher, Sela, Phoebe, Zac
Location: Humanitas
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Sela Retaliates — Sela kills the mob member responsible for Phoebe's death. Characters: Sela, Zac
Location: Humanitas
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Zac Ejected Into Space — Christopher and Sela eject Zac into space, ending his control over the crew. Characters: Christopher, Sela, Zac
Location: Humanitas airlock
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Peaceful Crew Restored — Zac's followers accept peaceful living, and the crew permanently abandons chemical suppression. Characters: Christopher, Sela
Location: Humanitas
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Natural Families Continue — The crew manages emotions and has children naturally rather than through planned IVF. Characters: Christopher, Sela
Location: Humanitas
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Humanitas Reaches Planet — After another seventy-six years, Humanitas arrives at the Earth-like planet. Characters: Christopher, Sela
Location: Habitable planet orbit