Koskinen 1 сезон 6 серия — Эпизод 6

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?