Director of the Penitentiary Service for Integration and Probation in Le Havre, Catherine Borowiak (Zabou Breitman) in her fifties, is in charge of the case of a young man, Hugo (Maxence Danet-Fauvel), fresh out of prison. A devouring passion is born between them. Aware of the danger this represents for her and her family, Catherine will have to fight to protect her family life against this dangerous and manipulative young man.