The trail of blood draws Koskinen from the office to the field to investigate a robbery that has turned into a homicide investigation. Koskinen's good friend and colleague Roine is in a psychiatric hospital. When patients start dying of strange heart attacks, the old detective's suspicions are raised. But can Koskinen take his sick friend's suspicions seriously?
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.