Old-school police detective Pierre Niemans and his former student Camille Delaunay tackle complex, brutal murder cases.

Diane is a mysterious and lonely teenager. Sharing special bonds with her father Christian, she takes care of the education of her brother Marc. The arrival of Julia in the neighborhood, a charismatic and liberated young British woman, is going to disturb Diane’s daily life. Desperately willing to become an adult, Diane is going to live, for a semester, the most shattering experiences of her life. The more she gets close to Julia, the more she gets irresponsible, ignoring consequences and limits to her desires.

When Elisabeth, a woman of faith, host of a radio show on a Catholic radio station, devoted to her family and the suffering of the world, is confronted with the pedophilia of priests and the suicide of her son, belief gives way to rage and to violence.

Thomas, a father in his fifties, returns by chance to the town where he grew up. He collapses and wakes up forty years earlier in the body of his teenage self. Thrown back into his past, Thomas will not only have to re-live his first love, but also try to understand the reasons for his father’s mysterious departure. Can you change the past by living it again?