A suicide bomb attack in a nightclub has a shocking impact on the crew of the HMAS Hammersley. Dutchy goes undercover with the SAS to catch a group of deadly extremists who are planning attacks on Australian targets.
Kate is hunted down by an obsessed criminal after she kills his accomplice during a boarding. When Bird is kidnapped, the crew of the HMAS Hammersley fear that she will be murdered as a payback.
Dutchy finds himself the prime suspect in a cold-blooded murder after he rescues a beautiful young woman. The Hammersley rushes to save a professional diver trapped in a shark cage.
When the Hammersley's crew visits remote Stokes Island to collect a prisoner for transport, Kate is appalled by the inhumane methods by which he is restrained.
Dutchy makes up for a small mistake by putting his own life in danger, and on a personal level, Mike decides to let the past stay in the past - but will it?
Hammersley is in foreign waters assisting Madelaine Cruise on another clandestine ASIO mission. In a daring and dangerous evacuation on foreign soil, the RHIB party seek to rescue ASIO Agent Smith under gunfire.
A team building exercise for the junior Hammersley sailors turns into a deadly nightmare, meanwhile long kept secrets are reaching crisis point on board.
After a wild night on the town in the port of Samjung, one member of the Hammersley crew wakes to find he has a crushing hangover, a beautiful woman by his side - and a wedding ring on his finger.
Hammersley is deployed to intercept GD Security mercenary vessel, the MV Sassy and escort her back to port. Maxine asks for Mike's help in finding Ryan who went AWOL, having left before his discharge papers gone through.
