After escaping from an island prison where he spent 14 years for being wrongly accused of state treason, Edmond Dantès returns as the Count of Monte Cristo to exact revenge on the men who betrayed him.

Young and ambitious Captain Vivés has just been appointed group leader at the Grenoble Criminal Squad when Clara's murder case lands on his desk. Vivés and his team investigate Clara's complex life and relations, but what starts as a professional and methodical immersion into the victim's life soon turns into a haunting obsession.