Superintendent Rousseau and Inspector Mariella De Luca fight their own demons as they work together to try to solve a series of murders.
Superintendent Rousseau and Deputy Mariella investigate the mysterious death of a young student in the neighborhood's most renowned bakery.
Haunted by the disappearance of his son, Superintendent Rousseau hands off a case involving a teen's murder to his deputy, Mariella.
Rousseau and Mariella lead an investigation into several cases of severed heads found in public places, starting with the Catacombs in Paris.
Mariella De Luca, a young inspector with a reckless streak, joins Superintendent Rousseau's team to solve a case involving a possible serial killer.