It's 13 months later and Saga is back to work, but missing her trusted partner and friend, Martin. When a well-known figure is found murdered, Saga will have to work with a new Danish partner, Hanne, who butts heads with Saga.

With Hanne off the case, Saga gets a new Danish colleague, Henrik, and together they continue to investigate the murder. When another equally detailed murder occurs, suspicions turn to a Danish blogger. Saga makes a shocking discovery about Hans.

Saga and the police receive a video about Hans, but when they proceed they discover things are not as they seem. The police continue to pursue blogger Lise as a lead in the murder case. Outside of work, someone close to Saga returns to her life.

Saga and Henrik manage to arrest someone after a hostage situation. When a fourth elaborate murder is discovered, they realize they might have made a mistake and continue searching for a link between the victims. Saga and Henrik get closer.

A key clue is discovered on Hans. Saga's new boss, Linn, questions her actions and starts limiting her responsibilities, which makes Saga start to doubt herself. Linn starts investigating Saga's past and Henrik steps up for his partner.

Saga and Henrik discover a link between the victims and artwork in a museum, producing another potential suspect. When a fifth murder is staged, the investigation becomes even more complicated. Saga is dealt two blows in her personal life.

An older couple become the latest victims, leading Saga and Henrik to the list of foster children who have been under their care. One name stands out in particular. Saga receives distressing news.

Saga and Henrik believe they know the killer's identity, but when the next victim is found the case takes a completely new direction. After an incident in the police station, Saga's job-the one thing that means most to her-is in jeopardy.

When a newborn baby goes missing, Henrik and Saga set out on their own search and finally figure out the connection between the victims, as well as who the perpetrator is. An investigation in Saga's personal life will soon decide her fate.

Saga and Henrik realize what the perpetrator has planned for the baby and find crucial evidence that will lead them in the right direction, but will they make it in time? Both dealing with personal turmoil, Saga and Henrik reach a pivotal moment.