A second trial begins in November 1975 against French left-wing revolutionary Pierre Goldman, accused of several armed robberies and the death of two chemists.
In the summer, 27 year-old Sam drives towards the south of France in his Ford. He meets Matthieu and his sister Léa and takes them along in his apparently aimless journey. Matthieu has a crush on Sam and tries to seduce him. Léa is a beautiful, young, provocative girl who likes men so much that she got pregnant. She soon brings along Jérémie with them. Throughout the trip, they learn to know, fight and love each other. In spite of a blooming relationship with Matthieu, Sam isolates himself because of his secret: he is headed for Spain to find his long-lost mother.
Set in 1984 during the Nicaraguan Revolution, the film follows a mysterious English businessman and headstrong American journalist who strike up a passionate romance. They soon become embroiled in a dangerous labyrinth of lies and conspiracies and are forced to try and escape the country, with only each other to trust and rely on.