The snow-covered island is cut off from the outside world. The ice causes the old hotel ship "Caprivi" to sink in the Vitter harbor. A terrible discovery is made in the wreck: the body of a hotelier is found in the former ship's bar. Island police officer Ole Damp must find the murderer with his young colleague Nelly Blohm, but the investigation is progressing slowly. Blohm tries to go it alone and ends up in dangerous situations. Damp struggles with the shadows of the past. Then two children go missing...