There is a murder in Hamburg, Germany, believed to be one of the multiple homicides of middle-aged couples. Lunge has an opportunity to lure Tenma to a trap. However, before he can arrest him, Lunge is critically wounded by the real criminal. Tenma is able to treat his injuries.

Tenma is at a mountain villa treating a man who was a high-ranking member of a crime syndicate. The man tells Tenma about a shocking event that happened in the underworld five years ago. Meanwhile Roberto tells Eva to confront Tenma.