Narumi (Esumi), a "trouble-maker", returned from Brazil after 11.5 years to inform Tatsuya (Naito), a fatherly figure in her life, about her marriage. She was mistaken for Harumi (Esumi) by the people who knew Harumi, and met Mori Shinichi (Inagaki) who had a secret crush on Harumi. Cheated of her money by her fiance, she had to turn to Shinichi for help. Gradually, Shinichi developed feelings for Narumi. On the other hand, Shinichi's girlfriend Maiko became jealous of Narumi and tried hard to break up the two...