In rural Essen-Schuir, Klaus Wollert is shot from a horse at close range while dressed in full Western attire. Mick and Andreas' investigations lead them to the "Ruhr River Ranch," a Wild West club in the middle of the Ruhr region. After Mick befriends the club's founder, Tobias Henf, ‘Chief' Jürgen Tamm soon comes under suspicion. His "squaw" had an affair with the murder victim. But Markus Wollert also benefits from the death of his brother Klaus...

After the sausage-grilling competition at the "Südsee" campsite, there is no winner, but one dead person: groundskeeper Harry is found murdered in his office—with the competition's winner's trophy, of all things. Mick and Andreas investigate in one of the last refuges for dropouts. But even here, not everything is as it seems: Harry's grieving widow Rita has had a lover for some time, and he would do almost anything to make Rita free for him...