The first joint case leads Commissioner Daniel Buchholz and his colleague Nina Salomon on the trail of the mysterious Internet forum Morituri, which is located in a difficult-to-access part of the Internet known as the darknet. Its members can propose the names of potential candidates and then vote on them. The winners are pre-sentenced to death. But users of a forum located in an anonymous part of the Internet come and go like shadows, leaving no traces behind. In contrast, death is very real and lurks closer than Buchholz and Salomon can imagine...