A series of burglaries shook the state of Bremen. Now there has been a fatality in Bremerhaven for the first time. It is a particularly sensitive case for the chief inspectors Inga Lürsen and Stedefreund, because Stedefreund is personally affected: the dead person is his ex-girlfriend. Stedefreund was also close friends with her brother at the police academy. To Stedefreund's horror , he now tries to solve the case on his own, thereby blocking the investigation. While Stedefreund is on the trail of the burglars, Inga finds out that the dead woman was not particularly popular in her husband's company. The suspicion grows in Inga that a gang may have committed the burglaries but not killed the woman...