Back on the job after shooting her fiance, corrupt copper John 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.
A small Cessna crash into the water and a young woman dies. It seems like an straightforward case, but something is puzzling the detectives about the young man flying the aircraft.
When the owner of an Import/Export company is blown up by a bomb down at the wharves, the detectives have to find out who is responsible. Frank wants to get better acquainted with the widow. Fiona Cassidy leaves the Water Police.
On a rain-swept early morning the detectives are called in to investigate when a distraught security guard shoots a robber escaping from the waterside warehouse.
Goldie realises how little control parents have over the lives of their children when she and Frank investigate the death of a 22-year-old girl at a party.
A ferry with Tommy on board collides with a large fishing trawler. Tommy tries to control the panic, risking his own life to help passengers escape before the ferry sinks.
An old friend of Rachel calls her for help. She goes undercover as a drug courier, but when something goes terribly wrong and her cover is blown, the desperate drug dealers kidnap her at gun point.
Three convicts, including those who kidnapped and terrorized Goldie, make a dramatic escape from a prison van and try to make their getaway in a stolen boat on the Parramatta River. Tensions between Hawker and Blakemore escalate.
A dead body is found in the trunk of a car. A PI is murdered when he discovers foul play regarding the cleansing of a polluted building site. A psychic helps the police in finding a missing girl.
After the Nemesis crew hear a gunshot on a yacht in the middle of the night, they find a badly injured woman who makes a garbled statement about "the man in the moon" before dying.