When an American Submariner dies during a ceremony honouring Australia and the United States' alliance under the AUK-US agreement; American NCIS Agents and Australian AFP Officers are thrust together in a joint investigation. However, what first appears as an accident soon reveals itself to be murder, and our nascent team must work together to secure military secrets and prevent disaster on Sydney Harbour.

Widescreen. Title from container. Originally broadcast as single episodes of a television program in 2023.

Disc 1.Gone fission -- Snakes in the grass -- Brothers in arms -- Ghosted -- Disc 2. Doggiecino day afternoon -- Extraction -- Bunker down -- Blonde ambition.