When a series of murders occur, all of the victims homeless, Detective Cato Kwong's happily ever after takes a sour turn. Leaving his new wife and their baby girl at home, Cato cracks on with the case, but he is not the only one engaging with the killer. A journalist thinks it's okay to play cat and mouse with them online. Quite soon, it becomes apparent that these murders are personal – and not only that, but each death is bringing the killer closer to Cato, one body at a time.