Best buddies Christian Ulmen and Fahri Yardim can't help to embarrass themselves from time to time. The troublemakers they are they love to test the limits of ethics and political correctness.

Pola investigates on her own after her friend Tina has disappeared without a trace after a blind date on the Berlin Museum Island. Tina's profile on a dating portal finally leads Pola to her lover Sven. At the same time, Tina's husband Karl receives a sex video featuring Tina and Sven. A short time later, Sven is dead, and the bound Tina is released from his apartment. Everything points to Karl as the culprit.