Edmond Dantes, a sailor falsely accused of treason, is imprisoned in the Château d'If off Marseille. After escaping, and adopting the identity of the Count of Monte Cristo, he plans revenge against those who wrongly accused him.
Martin's daughter, Emma, takes up a night watch job to find out what happened to her parents almost thirty years ago. A meeting with Wörmer in his cell pulls the serial killer out of his coma and sets in motion a chain of fateful events.
Bjørn investigates the killing of his daughter. People around him believe she might have committed suicide, but he doesn't accept that. Both the stakes and the suspense rise relentlessly as Bjørn inches closer to the truth.