While more and more people share a large part of their lives on the internet, a particularly radical criminal is wreaking havoc in the tranquil town of Heide. He spies on his victims, kills them, and later posts photos of their corpses online. These macabre photos, visible to the whole world, are like trophies to the killer. Young martial artist Natascha teams up with young police officer Axel to track down the murderer.