Laetitia

After 18-year-old Laetitia's family discovers her abandoned scooter, detectives launch an exhaustive search; local repeat offender Tony Meilhon emerges as the prime suspect; the police reconstruct Laetitia's final moments.

With Meilhon in temporary custody, the detectives intensify their efforts to keep him behind bars permanently, questioning those closest to Laetitia about her recent state of mind, including her devastated twin sister Jessica.

As the days continue to pass without any sign of Laetitia, Jessica grows increasingly distraught, prompting Detective Touchais to throw himself deeper into the victim's habits; Laetitia's case catches the attention of the president.

After a partial break in the case, the pathology report drives an irreparable wedge in public opinion of the legal system; Detective Touchais leans on Béatrice Prieur, the twins' longtime social worker, for more information about their past.

After Jessica reveals a memory about her sister and Meilhon suddenly starts talking, Touchais scrambles to fill in the gaps; as crucial pieces of Laetitia's case take shape, disturbing details come to light about someone close to the teenagers.

As disturbing new allegations surface, Béatrice meets with Touchais to share the full extent of her complicated history with the twins; Jessica confronts her birth and adoptive parents for her own peace.