Picking up where the second season left off, the film opens with the impending marriage of spunky poor-girl Tsukushi to stylish rich-boy Tsukasa. Things get hectic when a priceless family heirloom given to Tsukushi by Tsukasa's disapproving mother is stolen, leading the couple on a breezy global adventure that takes them from Hong Kong to Las Vegas in order to retrieve the object before their fast-approaching wedding date.
Mao Inoue as Tsukushi Makino
Jun Matsumoto as Tsukasa Doumyouji
Shun Oguri as Rui Hanazawa
Shota Matsuda as Soujiroh Nishikado
Tsuyoshi Abe as Akira Mimasaka
Aki Nishihara as Yuki Matsuoka