Kujirai Taichi has been selected to be the leader of the staff at the Taiji Municipal Whale Museum. Despite enlisting the aid of Shiraishi Yui who came from a Tokyo aquarium, and the museum curator Mashiba Nozomi, Taichi and the staff are perplexed by the low turnout of visitors. Then Taichi hits upon the idea to hold a staff created "whale festival" in order to generate hype for the museum. One day however, the "whale festival" is in danger of being cancelled as the opening quickly approaches.

Ce synopsis est en anglais : nous ne l'avons pas encore traduit.