On her 10th wedding anniversary trip, married woman Ebuka (Tatsumi Yui) visits a seaside town that holds many memories. Her husband Yosuke is supposed to come later to attend the funeral of her colleague Shuuko (Kato Tsubaki), who died suddenly, but he is remembering the time when he visited this place on a company trip with Shuuko, who probably passed away while harboring a secret love for Yosuke. At that time, he happens to meet Kozue (Namiki Touko), a classmate from his high school days, and invites her out for tea out of nostalgia. At the meeting place with Kozue, Ebuka meets Serizawa, a self-proclaimed hot novelist...