After PhD candidate Kate Dibiasky discovers a comet on a direct collision course with Earth, she and Professor Randall Mindy try to persuade a politically distracted President, a media-saturated public, and a powerful technology company to stop it before impact.
- Scenes 1–7
Kate and Randall work within the familiar routine of astronomy and university research.
- Scenes 8–26
They discover the impact deadline and need the government and public to respond, but Orlean refuses immediate action.
- Scenes 27–60
Kate and Oglethorpe take the warning outside official channels, entering the press and television world to reach the public.
- Scenes 61–72
The scientists navigate conspiracy claims, arrest, and political reversal as Orlean finally announces a deflection mission.
- Scenes 73–122
Their warning appears to win official action and a national launch, though Randall’s celebrity role and BASH’s access undermine the effort.
- Scene 123
The shuttles turn back toward Earth, revealing that the administration has halted its announced defense.
- Just before
- Scene 140
At Drink-Mo, Kate serves Yule and his friends while they recognize her from television; she lets them leave with stolen vodka.
- Scene 141
Randall questions Isherwell’s science at a BASH hangar, and Isherwell uses personal data to threaten him with a lonely death.
- Scene 142
Kate drinks with Yule and his friends; she rejects his kiss, then decides to make out with him because they are all going to die.
- Scene 143
This scene