Shuji Mimura works as a broadcast writer. He learns that he doesn't have much time left to live. He decides to concentrate on the future of his beloved family. Shuji Mimura's final plan is to find the best man to marry his wife Ayako.
"Saigo no Yakusoku" is described as a human suspense story involving the hijack of a major building. The members of Arashi play five young men who happen to be inside, and the story depicts their attempt to escape and their interactions with the other people caught up in the incident.
Failing supermarket manager Goro hires the energetic Hanako, his old classmate, to help him compete with a new, rival business in town. Soon, Hanako's ideas and energy completely revitalize the store – but not without ruffling some feathers and sparking some romance along the way.
