When Heldt attends Bochum's first-ever happy divorce-party, this time in central Bochum's “Endlich frei!“, he helps a woman who was nearly robbed. It turns out here's a wave of party goer-victimizing crimes, so suspects include her ex, a car thief, a drug trader, Tine Schütz who organizes such parties all over the Ruhr area and various nightclub staff.