No sooner has Detective Inspector Leonore Asker solved her first case as head of the department for hopeless cases than her father contacts her after years of silence. The prepper is suspected of being connected to the death of an urban explorer whose body was found without eyes - and threatens to violently resist arrest without the help of his daughter.

At the same time, Leo's childhood friend Martin Hill is commissioned to work on a biography on a private island with an abandoned observatory. Hill soon discovers that there are more stories in the area - about mysterious lights and about bodies without eyes...