Nevermore

A teenager, Anna, is found on the banks of the Seine, her throat cut. Commissioner Rousseau, haunted by the demons of the past, abandons Commander Mariella De Luca who finds herself alone facing this sensitive investigation and the teenager's mother, Katia. Rousseau has decided to take up the solo investigation into the disappearance of his son, who left five years ago for a trip from which he never returned. In an autumnal and twilight Paris, characters come together, haunted by their respective quests, while the murderer continues to kill. Will Rousseau manage to find a second wind to lead his team again and give Mariella all her confidence to complete this investigation?