High school student Mariko (Ando Sakura) sings in the choir at the all-girls school she attends, and her biggest dream right now is to go to a music college. One day on her way home from school, she accidentally drops her book bag into the sea. A man (Sasaki Takao) jumps into the water and recovers the bag for her, but all of her score sheets have been ruined. From th...