Detectives Tori Lustigman and Nick Manning are assigned a brutal murder case in Bondi, where they begin to uncover mounting evidence to suggest the killing is connected to a spate of unexplained deaths, "suicides" and disappearances throughout the 80s and 90s. Haunted by the disappearance of her teenage brother, Tori's fascination with the case soon turns to fixation. When more ritualistic murders occur with the same bizarre signature, Tori and Nick will need to put their relationships, their careers and their lives on the line to finally reveal the truth.