A contract killing in the red light milieu shakes the Hamburg district. During the investigation Thorsten Falke meets his old buddy Lübke and is confronted with his own St. Pauli past and personal memories of his time as a young bouncer. In the face of prostitution and modern human trafficking, Julia Grosz is alien to any nostalgic ties with the hood. Together they hunt down the contract killer and his backers before the smouldering war in the red light district escalates. Falke’s old friend and mentor, Lübke, a veteran of the milieu, turns out to be more and more of a tricky opponent…