Three years after the Paris triathlon disaster, the center of the Capital is submerged, Sophia and Adil reunite for a high-risk mission: to track Lilith, the original predator, in the shark-infested Seine. There, they will discover that the deadly wildlife hides a much more surprising reality...
| Actor | Role |
|---|---|
 Bérénice BejoSophia | Sophia |
 Nassim LyesAdil Faez | Adil Faez |
 Guillaume GouixNot listed | Not listed |
 Philippe BasNot listed | Not listed |
 Manon BreschNot listed | Not listed |
 Anne MarivinNot listed | Not listed |
 Lena LapresYuen | Yuen |
| HHa'anui BellaisGabriel | Gabriel |