2555 AD: Civilization has collapsed due to ecological disaster and the few remaining humans survive in the Underworld. The Visitor travels back in time to find Alice, whose father is building the nuclear power plant responsible for the upcoming catastrophe. Alice’s father must die or the world is doomed. But time is running out! Led by the ruthless Constance, the Time Brigade police from the future is hunting them down to prevent the temporal shift. Will Alice save the world… or her father? Based on the hugely entertaining, funny and scary web series that caused a sensation in France.