The body of a teenage boy is found in the boot of a car. There are similarities between this murder and that of another boy 13 months earlier. Holloway makes it his personal quest to find the killer, and he meets a beautiful crime scene officer, Caroline Cox (Mary Regan). Goldie has been denied access to her son, David, for six months, and she does everything to get to see him. Gavin Sykes (Brett Partridge) investigates a boat accident.

Harrison and the divers are called in when the body of a boy is found in similar circumstances to the other murdered teens. The detectives wonder if they arrested the wrong man.