Truck mechanic Erol Yildiz survives a nightly shooting. In the nineties, punker future cop Heldt belonged to the pauper motor gang "Rats", wealthy Yildiz to the bitter rival "Bochum Boys", their hostilities he's not eager to share with his team partners. People from their past turn up in the investigation. Nikolas's first love Nathalie, now running a local barber shops chain, is unhappily married to former "Bochum Boy"- Stephan Wenger, Heldts worst teen gang enemy. Heldt's former gang buddy Felix "Fifi" Osterloh now runs his father's car shop, where the possible crime weapon was stolen from the locked gun chest, and employs as car salesman ex-con Mirko Schalkowski, kid brother of Bochum Boys president Tom Schalkoswki, which angers wife Lana, who had an affair with Wenger and is Yildiz's ex. Yildiz may well have been confused at night with Wenger, so motives most be reconsidered, while even Ellen is surprised by lover Nikolas Heldt's dark youth trauma.
—KGF Vissers