One victim, found dead on a London street. Four detectives, in four different time periods, must solve the mystery to protect Britain's future.

Every parent's worst nightmare is just the beginning for Rachel's ordeal as in the aftermath of a tragic accident, she and her husband Anthony decide to move to the other side of the world to focus on their surviving twin son Elliot. What begins as a time of healing and isolation in the Finnish countryside turns into a desperate battle for the very soul of their son as an entity claiming to be his dead twin brother takes over Elliot — setting Rachel on a diabolical journey to unravel the horrible truth about her twin son.

Geralt of Rivia, a mutated monster-hunter for hire, journeys toward his destiny in a turbulent world where people often prove more wicked than beasts.

Silent Witness is a British crime thriller series focusing on a team of forensic pathology experts and their investigations into various crimes.