Toshihide works as a doctor at a clinic located by the sea. One day, he meets Ako. She looks exactly like the woman he admires. Due to her, his heart flutters. Soon, Toshihide realizes that Ako is not his ideal woman. A case leads to Ako to begin living with Toshihide and his family. Living with the warm-hearted family, Ako slowly regains herself and becomes a person with a truthful and honest mind.

影片描繪由於偶然的惡作劇而在一個屋簷下生活的男女的戀愛以及他們的家庭之間的關聯。 在海邊的診所和祖父一起工作的醫生俊英。有一天，他遇到了和憧憬的女性一模一樣的亞子。俊英激動不已的瞬間，被彆扭的亞子折騰，他的美好想像被粉碎了。但是，隨著了解在無法放棄的夢想和現實之間受傷的亞子的原本面目，淡然生活著的他心中的某些東西發生了變化。另一方面，以某件事為契機，和俊英住在同一個家裡的亞子，在和俊英、爺爺、家政婦阿清一起溫暖的餐桌上，也發現了無可替代的東西。