Achille, 13, awaits, full of hope, the release from prison of his father, unknown and fantasized. His dream of living as a threesome, like a real family, will be seriously undermined by a mother exhausted from waiting and this father who is unsuitable and made irresponsible by so many years of incarceration. Will this vulnerable person with a flamboyant past be able to keep the promise he made to his son to never live apart from him again?

In his classroom a philosophy teacher opens the discussion on the place of religion in society. Out of his course he faces the realities of the street.

Alex belongs to an elite unit of the Geneva police. When Victor, his former teammate, is released from prison, Alex is caught up with his past. He testified against Victor, and fears reprisals. The ex-cop is hired as a henchman for a powerful mafia boss. Alex decides to follow him, without consulting his superiors, and begins a long descent into hell.