A young woman is found strangled in a hotel room. The investigation leads Beck and Gunvald to Stureplan, Stockholm's nightlife and its downsides.

A well-known crime boss is murdered by a sniper in front of his family.

The bodies of two buried men are found and despite persistent attempts, they cannot be identified. When another man is murdered they discover new evidence that soon leads them to an Islamist terrorist cell.

An elderly woman dies in a hospital in Stockholm and it turns out that she suffered from an incurable disease. Her son though refuse to believe that it was the disease that was the primary cause of her death.