A macabre discovery awaits Lily-Rose and Renaud in the Academy locker room. Rachel and Naela's dinner takes a dramatic turn. A witness gives valuable details about a prowler seen the day before near the Academy.

Tension rises as another victim is found in an identical scenario. Cécile's business partner seems to benefit greatly from her disappearance. The reaction of Cécile's partner makes Lily-Rose and Renaud suspicious.