A new force member has to cope with anguish and guilt when a little girl goes missing and an impoverished teenager turns to her for comfort.

As an effort to help local women, a greenhouse is opened in the problem area of Ekängen, which enrages Jurek. Jesse has trouble adapting to a new personal reality when his marriage crumbles.

Magnus must confront his past when an old acquaintance of his resurfaces on the streets. Jurek is getting fed up with the local boys making a mess of his convenience store and demands Leah get him a gun.

Sara and Magnus try to keep a mentally disturbed man from taking his own life. After arriving at yet another crime scene, Leah decides to speak up publicly against the unsustainable situation on the streets.

The city is in fear after a terrorist attack hits Stockholm, and a suspected terrorist barricades himself inside a high-rise building in Malmö. Faye and Danijela try to make a woman leave her abusive husband.

Magnus starts a project attempting to integrate criminalised youths into society by training them in handball. However, despite significant efforts, Magnus has trouble making them cooperate with him.