To escape the police, a father and his son are forced to find refuge in a summer camp for young adults with mental disabilities, taking on the role of an educator and a boarder. The beginning of troubles and a wonderful human experience that will change them forever.

During a paragliding competition, a man is found dead. He is none other than Capucine’s ex-boyfriend who has just won first place. She had recently left the latter because of her jealousy and alcohol problems. He had, however, discovered elements about the disappearance of Romain, Capucine’s little brother, 20 years earlier. In parallel, the team is preparing to participate in a bike race for an association. Commissioner Cassandre risks slowing down her team and Lieutenant Maleva learns of her pregnancy.