A jeweller identifies the man who bought the pendant found in a grave dug for Lea Morel. The man is questioned, but he has an alibi for the night of the murder. Romain is given a bag of Lea's possessions left at the race track and finds a USB stick with incriminating evidence.
Elenco: Pierre-François Martin-Laval , Alix Poisson , François-Xavier Demaison , Alice Pol , Camille Razat , Laurent Bateau , Muriel Combeau , Léo Legrand , Maxime Taffanel , Stella Trotonda , Zoé Marchal .