COMETH THE HOUR. The crew risks life and ship to hunt down a rogue terrorist boat, and retrieve its cargo of bio-toxins. Mike makes the most difficult decision of his career when he orders the sinking of the rogue ship. It\'s an emotional time for the crew as the navy officially decommissions the long-serving HMAS Hammersley. ET transfers to a frigate, so he and Nikki can finally pursue their relationship. Kate accepts Mike\'s offer to remain his 2IC on the new, improved patrol boat. Stars Lisa McCune, Ian Stenlake and Saskia Burmeister.