In Szczecin, police hunt for 23-year-old Justyna Przybysz, whose body, found in a river canal, has been mutilated by the removal of her right hand. As more victims turn up in similarly brutal murders, the local criminal investigation unit—and even a hired private detective—find themselves powerless to stop the killer’s escalating spree. The mounting terror and relentless violence breed conflict within the force and drive one officer to collapse.

In an art studio in Hamburg, a young woman's body is found hanging up. A man from a homicide squad has developed new electronic equipment that allows him to analyze exactly who the perpetrator was. He moves into the studio for a few days to better research and investigate. Completely isolated and together with a corpse, he becomes addicted to drugs and seems to gradually go insane. And because things have to get even harder, he has to deal with the loss of his girlfriend, to whom he was a stranger shortly before. The end leads to morbid self-knowledge.

A car mechanic's life takes an unexpected turn when his reckless brother makes a bad decision gaining the unwanted attention of a notorious crime boss.