Berlin in the hot summer of 2015: married basketball coach Martin Kowalewski is brutally murdered in a gay BDSM studio in the Schöneberg district. Chief Inspector Roland Schmidt arrests the bloodied young escort Kevin at the scene of the crime. His best friend Maxime, who runs the studio next door, is convinced of the 21-year-old's innocence. He supports the private detective Jan Schweitzer. His investigations give him an insight into the gay scene, unknown fetishes and practices and encounters with bizarre characters. The darkest secrets are revealed and events from the past catch up with the present. Unusual investigative methods and unexpected twists characterize the resolution of the crime. Maxime's family is not the only one involved in the case; there are numerous connections between the protagonists and everyone seems to have unfinished business with the murdered father of the family ...
