Ka'iulani, a 19th-century Hawaiian princess, is raised in England but determined to maintain her people's independence from aggressive American businessmen. After being sent to England as a child by her Scottish father, Ka'iulani returns to Hawaii and becomes a political activist who fights to retain her throne, even though she must leave her English paramour.
When two weddings are ruined by both the bride and groom getting left at the altar, they still decide to take their honeymoons, not knowing they are heading to the same resort in Hawaii.
While prepping for her sister’s wedding, Addie loses her grandmother’s ring in the waters of Hawaii. She hires dive instructor Jack to search for her lost treasure. They immediately clash with each other when Addie insists she go on the pursuit with Jack. Once they come to an agreement, Jack ends up serving as Addie’s tour guide of the island’s hidden gems.
