Barmaid Sylvie is a single mom living with her two sons, Sofiane and Jean-Jacques. One night, Sofiane is injured while being alone in the flat which results in placing him in a foster home. Sylvie is determined to bring her son back home.

After finding a young man's remains, Léa wakes up in the 90s and body swaps seven times as she tries to solve the mystery of his death — and prevent it.