Six people travel by overnight train from Marseilles to Paris. When they arrive, one of them, a young woman, is found dead in a sleeping berth. The police, led by Inspector Grazzi, investigate the other five passengers, suspecting that one among them was responsible. However, as the investigation is stepped up, the others start turning up dead. It's up to the remaining two to solve the case, lest they become the next victims.

Desperate to break free from the poverty of his homeland, Elias boards a ramshackle people-smuggling trawler to France. But when the boat is raided by police, Elias leaps into the ocean, eventually finding himself washed up on a Mediterranean beach resort called Eden. So begins Elias odyssesy across Western Europe to Paris, where wondrous promise, helpful new friends and perilous dangers await him every step of the way.

1969 film by Costa-Gavras