It follows a group of people who are still living in temporary housing 12 years after a natural disaster called "Nani" destroyed their town.
Yuji Takanashi is a university philosophy professor who can't swim. Making awkward justifications to himself about the relationship between water and people, still he decides on the spur of the moment to enroll in a swimming class. There he encounters the teacher Shizuka Usuhara, who ignores his last-minute hesitation and enrolls him.
The story centers on a man who loves movies, having once worked at movie studio in pursuit of his dreams, surrounded by great directors and famous actors. In this tale of love and friendship spanning a lifetime, the "god of cinema" that Go has worshipped since he was young will transcend time, and work a miracle in the lives of one family.