The corpse of a woman appears in a cave near the sea in Saint-Jean-de-Luz. Captain Marie Daguerre will investigate accompanied by the Commander Becker, a rough Parisian that proves to be the father of the main suspect, in turn disappeared.
| Actor | Role |
|---|---|
 Antoine DuléryVincent Becker | Vincent Becker |
 Claire BorotraMarie Daguerre | Marie Daguerre |
 Julien AlluguetteMathias Cazes | Mathias Cazes |
 Sébastien LalanneGabriel Elbaz | Gabriel Elbaz |