The sharp, witty and enigmatic DI Annika Strandhed, as she heads up a new specialist Marine Homicide Unit (MHU) that is tasked with investigating the unexplained, brutal, and seemingly unfathomable murders.

Pete, an eighteen year old Isle of Wight deck chair attendant, meets fifteen gear old Swedish exchange student Annika. After a holiday romance, he follows her back to Sweden.

Annika Bengtzon is a journalist and working mother of two struggling to keep her marriage alive. Fearless in her search for the truth, she won't take no for an answer from anyone: not from prestigious academicians, or drug dealers or from colleagues inside her own profession. Her passion for getting the story may bring her into dangerous situations, but it ultimately allows her to peer into the heart of every crime. Annika's not afraid to square off with hardened criminals, but her toughest challenge seems to be trying to balance the job with her sometimes tumultuous private life.

When David Lindholm, Sweden's most famous police officer, found shot in bed identifies herself quickly with his young wife Julia. Julia is threatened with life imprisonment for murder, both her ​​husband and her missing four year old son Alexander. However, Julia refuse. It was not her. There was another woman who shot her husband and kidnapped her son. While life is falling apart around Annika digs herself deeper into the murdered police's violent past.

A teacher lives a lonely life, all the while struggling over his son’s custody. His life slowly gets better as he finds love and receives good news from his son, but his new luck is about to be brutally shattered by an innocent little lie.