Erica Falck returns to her tiny Swedish hometown after the funeral of her parents to find her childhood friend, Alex, frozen to death in her bathtub with her wrists slashed. With police detective Patrik Hedstrom, she tries to figure out what could have caused Alex to commit suicide. But someone is willing to do anything to protect the secret.

1987. Verlangan, a former cop turned private detective is hired by a woman to follow her husband Jaan 'G' Hennan. A few days later, his client is found dead at the bottom of an empty swimming pool. Maardam police, led by Chief Inspector Van Veeteren, investigate the case. Van Veeteren has encountered Jaan 'G' Hennan before and knows only too well the man's dark capabilities. As more information emerges about G's shadowy past, the Chief Inspector becomes...