Story of a Summer Experience

A private lawyer (Hiroshi Mikami) who is infatuated with the widow of the Mamiya conglomerate (Emi Shindo) and aims for her inheritance. But he had multiple personalities. One day, university student Kawashima Megumi is mistaken for her older sister, Maiko. She is given a key to a coin locker, and finds inside the diary of Maiko's real father, a zaibatsu leader. Using her sister's name, Megumi gets close to the widow of the zaibatsu leader.

Miyuki works in a bank with Sayuri and Takuya. Sayuri and Takuya plot to get the money each of them needs. Miyuki is violently hurt by their scheme and her relationship with her fiance is affected. When Miyuki discovers the people responsible for all that has happened to her, she plans her revenge.

Kumiko Goto gives a passionate performance as a heroine who searches for her mother while being torn between love and hate! Midori was born in Quebec, abandoned by her mother as a baby, and raised in a convent. Now a tarento and actress, she discovers that her mother's initials were K.K. and begins searching for her, eventually narrowing the field down to one of Kaori, Kiyomi or Kayo.