A protection officer and an MI6 operative team up after a terrorist attack. They suspect a mole as they race to thwart a larger conspiracy threatening Paris.

Marie, in her forties, lives in the Hautes-Alpes, cut off from her relatives. She only has her lover, Alex, a border policeman. Thanks to him, she smuggles cigarettes between Italy and France for her ' get out. On her way to France, she bumps into Mouneer, a 20-year-old Sudanese migrant, determined to join his little sister. He guesses her trafficking and persuades her to bring migrants across the border.