Leading forensic expert of the German Federal Criminal Police Office, Paul Herzfeld, found a note with the phone number of his daughter Hannah in the head of a monstrously mutilated female corpse. It turns out that the girl has been kidnapped, and an attacker with a perverted mind involves Paul in a deadly game, leaving a ghostly hope of saving his daughter. Another indication of further actions is hidden in another corpse, which is located on the northern island of Heligoland. However, Hertzfeld has no chance of obtaining information. A powerful cyclone cut off the island from the mainland, the population has already been evacuated. Among the few who remain is comic book artist Linda. She found a dead man on the beach. The desperate father tries to persuade her to perform the autopsy according to his instructions over the phone. But Linda never touched a scalpel. Not to mention dissecting a human body...