A prodigious 15-year-old swimmer with the world at his feet self-destructs after his father is released from prison. Inside of the pool, he lives a life of rigorous perfectionism and outside of it, his existence is lonely and hollow.
When 14-year-old Marco, a homeless Romani boy, is arrested at the Danish border for possession of a missing public servant's passport, police inspector Carl Mørck and his Department Q team are tasked with finding the connection. The old case contains several suspicious elements: The public servant was accused of pedophilia shortly before he disappeared, and his case was closed unusually quickly. But the silent, traumatized Marco refuses to talk to them and it's not long before he's on the run from those who intend to kill him because of what he knows.
23 year-old Nadia swims as part of the Canadian olympic team for the Tokyo 2020 games. Because of the many hardships of her sport, this will be her ultimate challenge.
A group of teenage girls heading into the city hook up with a gang of drug-addled ne'er-do-wells and are brutally murdered. The killers find their way to the home of one of their victim's parents, where both father and mother exact a horrible revenge.