A stranger takes photos of the Lemoine's while Julie instructs babysitter Vanessa Bommel on how to take care of her newborn baby Justin while she is out. When her husband Alain returns home, he finds that the baby and Vanessa are missing. Boyfriend Mathias Ferrero is considered Vanessa's partner in crime. A kidnapping alert is triggered and the SR ask for the help of Dr Rosen, a psychoanalyst who used to treat Vanessa when she was younger. The SR is surprised when Vanessa's parents, who she claimed dead in a car accident, show up at the Gendarmerie.
—mgallegog