Alongside her partner Frederik Havgaard, new criminal profiling teacher Louise Bergstein takes the case of a gang member gunned down on his release from jail. Meanwhile, an ex-criminal is dragged back into his old ways.

Under interrogation, Kim confesses to the old double murder and the killing of his girlfriend, but not to the murders of Patrick and Pernille. Dismantling Kim’s alibi, Louise has reason to come up with a new theory.

Louise believes Robin was killed by the same murderer as the other victims, but Frederik suspects his death was a stand-alone gang murder. However, Louise convinces Frederik that a fatal car accident links the killings