Teuflehund is the story of a man named Mike with a passion for life and women, whose lean, muscular body has been tempered like fine steel in the fiery cauldron called life. It is the story of two very different men from two different parts of the world, whose lives become intertwined in a deadly game of cat and mouse. One of them has been abused by the local priest and is unable to find a way to escape while the other is abused by the common-law wife of his stepfather. Both will be scarred be these experiences that will shape the men that they become. A woman and her children are brutally murdered in Chicago and Mike, who knows the victims, begins searching for the culprit. Mike struggles with his memories of the war as he tries to find the killer. Who did this and why did it happen? Will he be able to find the killer?