Back on the job after having shot her fiancé, corrupt copper John “Knocker” Harrison dead, is Detective Rachel Goldstein, reacting snappily to being dubbed “Gunner Goldstein” by a colleague with an unhealthy interest in what it’s like to kill someone. Dave McCall is at the receiving end of a spear from a booby-trapped sunken car loaded with stolen gold ingots. Goldie and Holloway investigate the bullion robbery while the Nemesis crew is assigned to supervise the training of a former Olympic rower turned prison inmate.