Two boats collide off the coast of Sète. There are fatalities. Chloé is worried: her son, Maxime, has disappeared. Where is he? What happened? Who was on the boats?
Chloé is trying to understand why her son is in police custody. An unknown woman was found on the beach; she was on one of the boats. Who is she?
Chloé and her mother, Marianne, discover Anna in a coma. Chloé wants to understand what happened to her sister. Why did she return to Sète after 17 years away? Why did she hide her identity from Maxime?
Chloé meets Martin, her sister's partner.
Anna woke up with amnesia. She learns that she is pregnant, but by whom? Chloé helps her regain her memory.
The initial findings of the investigation show that a bomb was planted on Anna and Lyès's boat. Anna and Maxime are therefore cleared.
Maxime is released. Flore discovers that Martin lied.
Martin and Anna have both disappeared.
Martin is questioned by Karim, but is quickly cleared. If it wasn't him, it means that the person who tried to kill Anna is still at large. Martin is determined to find him.
Anna had a sudden realization: Bart was supposed to be with them on the boat. They waited for him, but he didn't come. Why? Was he being targeted too?
Margot threatens Bart with Karim's service weapon; she's convinced her father died because of him. But what could Bart have possibly done to put her in this state? Meanwhile, Anna has learned she already had a child. But where is he? Who is he?
Karim learns that something happened between Margot and Bart the night of the yacht club party. Karim searches for footage from the evening to find answers.
After viewing the footage, Karim and Lucie believe Bart raped Margot, but how can they prove it? Meanwhile, Anna is still being threatened, and Chloé and Martin are trying to figure out who could possibly have such a grudge against her.
Margot manages to confide in Karim; her speech is confused but exonerates Bart. Who raped her if it wasn't Bart? And what is Bart hiding if he's innocent?
Anna has retrieved her child's death certificate but she can't believe it. She asks Bastien for help.
Anna and Bastien discover that Anna's son is Bart Vallorta. Meanwhile, Karim investigates the mysterious stranger who bought the detonators from Guillaume to place on Anna's boat.
Anna demands answers from Flore about Bart. Should she tell Bart the truth? Meanwhile, Karim and Lucie have discovered that the mysterious stranger is someone from the Vallorta family, but who?
Anna demands answers from Flore about Bart. Should she tell Bart the truth? Meanwhile, Karim and Lucie have discovered that the mysterious stranger is someone from the Vallorta family, but who?
Anna was hit by a car. Karim and Lucie question him: who would want to kill her? Bastien thinks he has the answer, but he's torn. Should he break confidentiality?
Anna remembers the bomb; she described it to Martin. He is convinced it was made at the Vallorta estate, where all the ingredients for making it can be found. He sets off to investigate.