
The adventures of a Royal Australian Navy patrol boat and its crew.
A sea rescue casts doubt on the circumstances of ET's death; Buffer uncovers an illegal oil smuggling operation; Charge's weight threatens his navy career.
Spider discovers a bomb in the laundry room, and faces a race against time to save the crew and the Hammersley from destruction.
The Hammersley approaches a fishing boat that retreats quickly but leaves behind a diver, while Nikki receives information that makes her doubt ET.