Water Rats

When a light plane crashes in Sydney Harbour the divers have the task of pulling out the passengers while Frank and Rachel investigate the pilot.

When the owner of a shipping company is killed by a bomb down on the waterfront, the detectives are assigned to find out who is responsible.

Holloway's involvement with Jennifer Campbell, a suspect in her husband's murder, increases despite warnings from Goldie. Holloway becomes a target himself, but is he being threatened by the bomber.