A group of friends spend their last holiday together on an isolated beach. After a night of partying, one of them is mysteriously found dead at sea, forcing the friends to question the ties that bind them.

Sheriff Vera investigates the crime and takes Vicente in custody; in the past, Luiz proposes a game and takes everyone's cell phone; Bruno and Malu have sex; Dora and Júlio need to find a solution for a positive doping test in the water polo team.

Vicente tries to explain himself to Júlio during the service; Vera gets an anonymous call reporting Inês as the murderer; in the past, living together starts to bring about intrigues in the group; Ana tells Malu she's going to help her with Bruno.

The kids give contradictory statements to Vera; Ana lets her fight with Malu slip; at home, Ana does something extreme; in the past, Bruno feels withdrawal effects; Malu accesses Ana's cellphone, discovering sensitive secrets.

Ana goes to the hospital; Vera surprises Inês; in the past, the group participates in a game when Ana receives a threat; Inês opens up to Malu about the abuse she has suffered; Malu tells Ana the secret.

Vera questions Inês; after finding something off about the doping results, the sheriff goes after Eric; in the past, Bruno learns that Dora helped him but harmed someone else; Eric opens up to Malu, who reveals Bruno's secrets to him.