When the teenage daughter of the U.S. Ambassador to the Philippines is found dead off the coast of Waikiki, the Governor tasks Five-0 with finding her sister, who was also abducted.

When a Navy SEAL, who's on the run for a murder he swears he didn't commit, takes hostages and safe haven aboard the U.S.S. Missouri memorial battleship, McGarrett must use every SEAL skill in his arsenal to diffuse the situation.