Detective Zoe Rawling's world is upended when her former lover returns after three years to help solve a cold case murder. Shark attack survivor Dan Cooper uncovers the trail of a serial killer with a chilling MO.

While working with Dan on a bizarre murder case, Zoe applies for a transfer to avoid her ex-lover. Serial killer Stephen takes his obsession with a surfing champion to another level.

Stephen tampers with evidence in a murder case, with dire consequences. Dan and Zoe investigate the revenge killing of a predator. Zoe receives an unexpected proposal.