Sarah, in her forties, is on the verge of exhaustion. Her children, ages 9 and 5, take up all her time and her husband is constantly on business trips. After disappearing on the beach for a few minutes, Simon becomes strange. He spends hours in his bathroom and seeks contact with water at the slightest opportunity. Sarah's life will change when her son confesses the truth...

The coast is deserted and wild. It's hot. As every year, Matthieu returns for the summer. He finds his friends. The images of his childhood come back to life. The life-size role-playing game they play over and over again seems to be what's left of their past life.

Sarah, in her forties, is on the verge of exhaustion. Her children, ages 9 and 5, take up all her time and her husband is constantly on business trips. After disappearing on the beach for a few minutes, Simon becomes strange. He spends hours in his bathroom and seeks contact with water at the slightest opportunity. Sarah's life will change when her son confesses the truth...