Shock on the night of love: Instead of the tender hand of his neighbor Maren Wenning, the married suburban Casanova Rudi Sterzenbach suddenly feels the bloody hand of a murder victim on his face in the dark cellar. The man lying there with his skull smashed in is the speculative shark Armin Teller. Ironically, also wrapped in the banner of a citizens' initiative against the gentrification of the quarter. An initiative in which they are both active.