Mary-Kate and Ashley are spending Winter Break at the lavish Atlantis, Paradise Island resort in The Bahamas. Their parents bring them along, but that means they have to miss their school trip to Hawaii with all their friends.
Determined to make the best of the situation, the girls decide there's only one thing to do: unleash a tropical hurricane of off-the-hook action and head-over-heels tropical romance!
But, amid the yachts, private jets, wave runners, scuba diving, motor scooters, horseback riding and moonlit strolls, Mary-Kate and Ashley stumble across an antiquities smuggling ring! Mary-Kate and Ashley discover the time of their lives on their... HOLIDAY IN THE SUN.