Detective Inspector Nathan Gates, a once-great investigator but buried by his past returns from the brink and teams up with the determined and equally outcast Detective Sergeant Charlotte Everett to unearth the twisted motivations behind a series of ritualistic killings that are leaving a trail of terror across their city.
As they scramble to connect the dots between the victims, they discover links to suspects both inside and outside their department complicating their investigation and raising the stakes even further.
With the media frenzy swirling and the killer watching their every move the duo races against time to unveil the killer - dubbed "Sack-Man" for their twisted artistic flair transforming their victims into dolls & sending a replica toy to the police - their investigation reveals a tangled web of secrets connecting the victims, each with their own dark histories to be unpicked and deciphered.
With chilling twists at every turn, the stakes rise as they confront a cunning and deadly adversary who delights in the chaos they are creating and threatening everyone involved. As the bodies pile up Gates must navigate his own demons that are threatening to drown him once again while trying to piece together the clues before the killer strikes again. Will they be able to dismantle the carefully constructed facade of horror before more lives are claimed, or will they fall victim to the very monster they seek to unmask?