Mathias Freire, a psychiatrist, and Anaïs Chatelet, a homicide squad captain are connected to each other through a series of crimes inspired by Greek Mythology. United in an investigation they will have to face one another and their own demons.

Detective Yvonne is the widow of police chief Santi, a local hero in a town on the French Riviera. When she learns he was in fact a crooked cop, she tries to right his wrongs. Crossing paths with Antoine, a victim of Santi, sets off a series of wild events.