Almost Criminal Chief Inspector Gerlach became the victim of a bombing: right before his eyes, the SUV of a Bulgarian pimp explodes. Shortly thereafter, more mysterious murders occur, and Gerlach suspects that a gang war may be brewing. When he begins to investigate, he is called back from the highest authority. Just at this moment, the Heidelberg detective chief has good reasons to seriously worry about his teenage daughters, and to make matters worse, his love life takes an unexpected turn.