When a U.S. Navy researcher is found dead at a glitzy tech launch in a secret underground bunker, part of the team heads over to investigate, only to find themselves trapped inside with limited oxygen when the bunker fails to open.
When the suspicious death of an old Drug Squad colleague pulls Evie back into a secret undercover operation, DeShawn is torn between loyalty to his friend and loyalty to his team.
The team investigate the death of a navy compliance officer who has been found in a waterhole with a snakebite from the most venomous snake in the world. The snake, an inland taipan, is uncommon to the area the officer was discovered.
When a US petty officer's body is found in the Sydeny's historic and haunted Rocks area a decades old Navy cross medal holds the clue to solving the murder, leading the team on a world ghost chase to catch a killer.
The death of an American seaman on a U.S. nuclear submarine during an AUKUS ceremony on Sydney Harbour is investigated in a joint effort between America's NCIS agents afloat and the Australian Federal Police (AFP), on the series premiere