The crew of Hammersley is rocked by the mysterious death of a much-loved shipmate. When valuable 'Red Gold' coral is stolen from a dive boat, HMAS Hammersley is drawn into a web of murder, piracy and eco-terrorism.
Spider goes undercover to expose a sex-slave racket operating off the Australian coast. Swain is forced to perform an emergency childbirth at sea when an illegal immigrant goes into early labour.
The Hammersley rescues a former Navy officer lost at sea, with shocking consequences for the crew. Mike and Spider are taken hostage during a shoot-out with weapons smugglers.
A special bond is formed between an uncommunicative child in desperate circumstances and one of the Hammersley's young guns as Spider tries to free a child slave from an illegal fishing boat, landing himself in hot water.
After being attacked by heavily armed smugglers, Hammersley left is stranded in a deadly minefield with Charge desperately trying to do makeshift repairs.
A thrilling rescue becomes a tragic mystery when a healthy young tourist dies suddenly on board Hammersley. Bomber and RO fight for their lives when an armed gang tries to seize control of Hammersley.
