When Jin learns that an innocent woman is the target of a deadly hit, he asks Magnum and Higgins to help save her.

While Magnum and Higgins are undercover as a couple on a romantic bus tour working a case, they must switch gears when one of the love birds on the trip is murdered and evidence is quickly deteriorating in the Hawaiian heat. Also, TC is shaken when he runs into his ex-girlfriend who's visiting the island on her honeymoon.