Viggo had just finished celebrating his promotion with friends and family when he took his daughter Christina to buy ice cream. When he left the shop, the trolley was empty, and Christina has been missing ever since.

Believing it may lead to a clue in the case of his daughter's disappearance, Viggo investigates after a man with a raven tattoo is found dead in the woods.

A woman whose mother dies in a nursing home suspects murder; Viggo ridicules supernatural beliefs until he has dreams about Christina.

Mari offers to help Viggo investigate Christina's disappearance; while investigating another crime, Viggo and Mari find themselves in danger.

Mari finds a flaw in the investigation of Viggo's daughter; Viggo and Mari look for a businessman who went missing in a hospital.

Mari is attacked in a robbery; the police must collaborate with the robbery suspects after one of the shop employees is found dead.