After turning 65 and bereaved of her husband, Umiko visits a cinema for the first time in decades. A shocking, life-changing event awaits her. When she meets Kai, an art student majoring in film, Umiko realises that she wants to make a film. She realises that she is on the side of "the people who want to make films"... Lured by the waves that stir her heart, the 65-year-old dives into the sea of film!