How does 400 Days end?

In the final act ("The Final Confrontation"): Theo and Emily return to the ship, only to discover Zell and two men following them. They neutralize the attackers just as the 400 days conclude, revealing the entire experience was a simulation.

400 Days (2015) — AI Story Visualization

Name: 400 Days
Genre: mystery, science-fiction, thriller
Released: 2015
Rating: 4.4

Plot Analysis Summary

Astronauts endure psychological breakdown during a long-term simulation that blurs reality and hallucination.

Story Structure — 4 Plot Phases

The Underground Simulation

Surface Exploration

Paranoia and Betrayal

The Final Confrontation

4 would be astronauts spend 400 days in a land locked space simulator to test the psychological effects of deep space travel but, when something goes terribly wrong and they are forced to leave the simulation, they discover that everything on earth has changed. Is this real or is the simulation on a higher level than they could have ever imagined?

Directed by

Matt Osterman

Key Cast

Brandon Routh — Theo
Caity Lotz — Emily
Dane Cook — Dvorak
Ben Feldman — Bug
Tom Cavanagh — Zell

Rating: 4.4/10 (507 votes)