In a small rural community north-west of Sydney, park ranger Cal Nyx finds a badly decomposed body in the bush. The remains are identified as someone she once knew, and the police are now treating her as a suspect. Determined to prove her innocence, Cal embarks upon a hunt for the real killer - but when it turns out the victim was wanted in relation to a previous murder, the case takes a complicated turn. With family issues bubbling away in the background, Cal starts to feel the heat. Then the police start probing into her private life, and she finds herself in a race against the clock to solve the crime. But the murderer has Cal in their sights, and she must make a choice - catch a killer, or do right by her family?
