A body is found in a boat adrift somewhere between Fort Boyard and Aix Island. Solène Brach from the mainland police is sent to investigate.
| Actor | Role |
|---|---|
 Julie FerrierSolène | Solène |
 François VincentelliVincent | Vincent |
 Vincent WinterhalterBernard | Bernard |
 Annick BlancheteauRose | Rose |
| IIsabel OteroAline | Aline |
 Marwan BerreniAdrien | Adrien |
 Guillaume ArnaultMathieu | Mathieu |
 Marie PetiotAgathe | Agathe |
 David Van SeverenDimitri | Dimitri |
 Patrick RoccaAndré | André |
 Pierre RenverseauLégiste | Légiste |
| SSerge CochardPilote | Pilote |
 Laura BalasuriyaGendarme | Gendarme |