A body is discovered in a "tuned" car, a certain Willy, a passionate driver. His car was allegedly tampered with to cause an accident. Kelly and Gaspard investigate the case, initially suspecting a shopkeeper with whom the victim had disagreements, before finally pinpointing a potential drug deal. At the same time, Clarissa investigates a case of a sexual predator, while Jackson is tasked with protecting the sole witness in another case. Meanwhile, Raphaël joins the Brigade for good as the new commissioner, while tensions persist with Clarissa, who has a hard time seeing him as a superior... (thetvdb.com)