May 2006. Preschool teacher Madeleine disappears without a trace from her home in Sandviken. The police begin a hunt to find Madeleine alive, while investigating who might be behind the abduction.

In an act that can most be compared to a regular gangster murder, three people are found shot to death in a car outside Uddevalla. When you examine the victims' mobile traffic, you discover that they arranged a meeting with someone or a few at the scene. But the question of who or who they are, and whether they are also really the perpetrators, will not be easy to answer.

A 42-year-old man suddenly disappears. He has lived with the trauma of a lifetime as a child soldier. The police's investigation unexpectedly leads them to milieu in the celebrity world.

The police receive an anonymous call that tells of a murder. After identifying the victim, a long and demanding investigation begins, and only when a macabre mobile film is found do they come close to a solution.

A man on a walk hears faint cries for help. Twenty meters down in a disused mine shaft, a woman lies in a difficult state. The police investigation into how she ended up there reveals a cruel and ruthless truth.

In August 2019, a man was found bleeding heavily after a knife cut in Uppsala. His ex-girlfriend lives in the house. But the police cannot connect the girlfriend or anyone else to the crime. Nor did the fact that the victim himself was subject to criminal investigation lead to any lasting results. But the investigation will take a turn in a very unusual way.

A number of fires ravage Askersund, and 18-year-old Linus soon becomes a suspect. But Linus is missing, and the more time passes, the more frightening the police's premonitions become.

One December night, 19-year-old Nacy is found brutally raped and beaten to death in a wooded area in Hjällbo outside Gothenburg. She has been on her way home from a party nearby, but the police initially get no clues after questioning the party-goers. When you later get a tip about one of the partygoers and make a home visit to him, a terrifying connection to a previous violent assault is discovered.