Just before the peak season for all the student parties, the police receive alarming reports of several deaths caused by a new chemical drug. Nora gets the case on her desk and meets with the new police officer Alexander.

It's time for this year's sailing camp at Knarrholmen and the atmosphere is full of anticipation, but Benjamin is immediately chosen as the pick of the bunch by the older guys. At the same time, there is someone lurking in the shadows, watching every step the children take.

It's time for this year's sailing camp at Knarrholmen and the atmosphere is full of anticipation, but Benjamin is immediately chosen as the pick of the bunch by the older guys. At the same time, there is someone lurking in the shadows, watching every step the children take.

Mia tries to protect a new mother who is being hunted by her abusive husband. Nora is in the middle of a new criminal case while planning for the wedding. Jonas struggles with jealousy after news of the bachelorette party.

A few months have passed since the bombing of the police station. At the nursing home where a police officer is being rehabilitated, the staff make a horrific discovery. An acquaintance returns from the dead and Nora is drawn into the investigation in an unexpected way.

Mia tries to protect a new mother who is being hunted by her abusive husband. Nora is in the middle of a new criminal case while planning for the wedding. Jonas struggles with jealousy after news of the bachelorette party.

Nora and Jonas are invited to a summer party at some neighbors' house to inaugurate their newly built luxury house on the island. But the large construction project has angered many of the islanders and the party ends in disaster.

A body is in the water, and the Stockholm police have been notified. At first it seems to be a drowning accident, but the detective assigned to the case Thomas Andreasson soon suspects that it is a murder case.

The traces of the murder lead into a world where nothing is what it seems and where old debts must be paid. After everything that has happened, Nora wants to move on in life, but one of her closest people makes a decision that has major consequences.

Angelica is found dead on a construction site and Stenmark makes an unexpected confession when the police secure a DNA trace at the scene. Sylvester has pictures that tie Angelica's husband Leo to the murder and decides to put pressure on him.

Anna's trail leads to the marina in Stavsnäs and Nora goes in search of Anna's mysterious boyfriend. At the same time, Alexander receives information that a young unconscious woman is being treated at Södersjukhuset. Could it be Anna?

Nora and Jonas are invited to a summer party at some neighbors' house to inaugurate their newly built luxury house on the island. But the large construction project has angered many of the islanders and the party ends in disaster.

A company executive dies dramatically at a launch party. Alexander and Valpen take on the case and the new police chief Rakel calls in Nora as prosecutor. Alexander and Nora have had no contact since Nora's betrayal.

One of Nora's closest relatives becomes the main suspect in the case and Henrik asks her for help. The tracks turn out to reveal secrets from the past. The solution is within reach, but at the same time Nora is faced with a difficult choice.

A detective queen is poisoned in her home, surrounded by her invited guests. It soon turns out that one of the suspects has a connection to Nora. The investigation runs into unexpected problems and behind the scenes Alexander's problems worsen.

The LVU home is on a trip when two of the young people escape. A guy, Sebbe, steals a boat and it is assumed that his friend Olivia is also with him. Sebbe's escapade comes to an abrupt end and only then does it become clear that Olivia is actually gone.

Newly-appointed doctor Carl-Johan throws a big house party, where his adult children struggle to keep up the facade. However, the party comes to an abrupt end when Nora's daughter Anna witnesses a nasty incident.

One of the suspects is kidnapped and the case takes a new turn. The new police chief, Rakel, clearly sets the agenda. Both Nora and Alexander feel alone, in their own ways. Valpen does what he can for his colleague.

Nathalie acts desperate to make people take her seriously. Alexander hears the news on the radio and reacts immediately, without listening to Stenmark's orders. Olivia is still missing and Pär is starting to get really worried.

Rakel's son owes a man a large sum of money and makes a fatal mistake. Rakel does everything in her power to help him, but it won't be easy. Nora tries to reconcile with Alexander. But things don't go as planned.

A robbery goes awry, leading to the kidnapping of a little girl. Alexander and Valpen are first on the scene but don't have time to stop the robbers. When Nora discovers a broken window at her neighbors' house, she finds herself right in the middle of the action.

The killer strikes again. In the archipelago, a woman is kidnapped after appealing to Nora for help. Anna gets involved at the same time as Alexander's double game deepens, which turns out to have fatal consequences.

The French police show great interest in the abandoned boat that has been found outside Sandhamn. A dead man has washed up on the beach, and it turns out to be a wanted person. Nadia reacts with horror when Nora receives a visit.

Stenmark is annoyed that Alexander and Valpen refuse to leave Teo alone, but the testimonies are conflicting. Nora is drawn closer to the case when it turns out that Lili is an old family friend. At the same time, she continues to have Jonas as an unwanted guest.