![](https://image.tmdb.org/t/p/original/gXOaQ7zPTXILc0333fh1WJISxP1.jpg)
![](https://image.tmdb.org/t/p/w200/j6dHIaWESDGwX9S2mKlitThVYIs.jpg)
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.