In 2004, Yui Yoneda (Kanna Hashimoto), who lives with her father Masato (Yukiya Kitamura), a farmer in Itoshima, Fukuoka Prefecture, her mother Aiko (Kumiko Aso), her grandfather Eikichi (Ken Matsudaira), and her grandmother Kayo (Yoshiko Miyazaki), enters high school. She talks about club activities with her childhood friend Yota (Araki Sugou) and her classmate Emi (Shuri Nakamura). Yota decides to join the baseball club, and Emi the calligraphy club, but Yui can’t think of any particular club she wants to join. One day after school, Yui encounters an unexpected situation at the fishing port she often visits to see the sea.
