A petty thief works his way up the absurd hierarchy of Goto, an archipelago cut off from civilisation by a tumultuous earthquake. His dream is to possess Glossia, a stifled beauty trapped in a loveless marriage to a melancholic dictator.

Ichiban Kasuga, a low-level Yakuza member looking to prove his self-worth, and follows him and his motley crew of unlikely allies as they attempt to rise from rags to riches in this modern human drama.

Yuri Kashiwaga was once known as a genius pianist. One day, she returns to her hometown in Goto Islands from Tokyo. There, she begins to work as a temporary teacher at a middle school and advisor for the school chorus. The chorus aims to take part at a competition. Yuri gives the members of the chorus members an assignment. She instructs them to write a letter with the title of “To myself 15 years later.” The 15-year-old boys and girls write about their secrets and worries.