Follows a joint team of American Naval Criminal Investigative Service (NCIS) agents and Australian Federal Police (AFP) officers who work together to investigate crimes involving the Navy in and around the Indo-Pacific Ocean in Australia.

Two twisted housemates lure an unbalanced woman into a sexual trap, with murderous results.

At top-secret U.S.-Australian joint defense facility Pine Gap, fissures appear in the critical alliance as spies work with, and against, each other.