One evening, Ben, the son of Martin, comes home in a panic. His clothes and shoes are muddy and her runs off to the shower, then hides in his room. The next day, Martin finds out that Julie, Ben's best friend, has been raped. He is shocked, especially after his son's suspicious behavior. He tries to understand what happened and conducts his own investigation.

Sophie, who works at an advertising agency, has just been promoted. At the same time, Fred, her teacher husband, is transferred to Tahiti. Not wishing to leave, she tries a bluff and asks for a divorce, hoping that it will keep her husband from going. But to her surprise, Fred insists and decides to leave taking with him their son, Lucas.

Claire, a literature teacher and single, has been chatting online for months with a handsome stranger. On her first date, she is shocked to discover that the man is none other than Sébastien, one of her students. The young boy confesses his love for her, but Claire rejects him. Determined, the teenager runs away and joins her on her vacation, putting Claire in serious trouble.

One evening, Simon witnessed a brutal attack on a young woman in the street. Petrified with fear, he was unable to intervene. Haunted by his cowardice, he decides to find the victim, named Charlotte, and succeeds to gain her trust. The two people fall in love with each other, without Simon confessing the truth to the young woman. Until the day Simon crosses paths with the aggressor.