A young woman is killed and robbed in her apartment. The trail leads to her indebted ex-boyfriend, a bouncer. In the investigation, the police officer Pontus notices that his colleague is nervous. Isabell carries around a dark secret: one of the suspects in this case has a means of pressure against her in her hand. Commissioner Wallander has a great deal on the capable young policewoman, whose loyalty to her fatherly superior is subjected to a hard test of endurance.