Rebecca systematically erases everything that could incriminate her in the disappearance of Laetitia Baumann; Pierre Collange proves more dangerous than ever for journalist Lucille Dolivet.

Arrested for attempted murder, Rebecca gets Pierre Collange to confess to the crimes of 2015; buried trauma resurfaces as the tension mounts between Rebecca and Julien.

The serial killer has kidnapped a little girl, and it's a race against time to find her before it's too late; during her second hypnotherapy session, Rebecca discovers what really happened during her blackout with Julien.

Rebecca has doubts about the prime suspect's guilt, and the investigation takes an unexpected turn; Rebecca confronts Julien at their son's birthday party.