Runaway single mother Alba starts working on a flower farm, only to be named the prime suspect in an investigation when a murder occurs on the property.

After an attack, the police probe further into Alba's past. Lucie discovers an incriminating weapon in the house. Béatrice pays Léo a visit.

Béatrice tries to strike a deal with Alba as she and Valentin discover a disturbing hideout. An anonymous call tips police off about a suspect.