Since being harassed by an abusive and authoritarian boss, Valentin has behaved strangely that intrigues Sam and Sacha. The couple doesn’t fail to share Valentin's unusual attitude with Bastien who then worries about his ex and decides to find out the reasons for this change.
After his stay in Nice, Tom is about to return home but his cousin Enzo asks him for one last favor before leaving and the relationship between the two cousins turns out to be even more ambiguous than it seemed.
Bastien submits Valentin to a real interrogation and he then discovers a terrible truth that will drive him crazy...