The sun warms the hearts of the families gathered on this national day of tribute to the harkis in Valbonne. Fabrice Da Costa, deputy mayor, is expected to fix the commemorative plaque, but his absence raises questions. It was in the swimming pool of his splendid villa that his body was found, floating in a real bloodbath. Following the death of his father, Cédric Bonfanti, commander at the Valbonne police station, was absent for some time to stay with his mother in Italy. During his absence, he was replaced by Leïla Belhassen, a young commander from the Nice police station. When he returns, Cédric is forced to team up with Leïla