The four principals in a love affair collide when jealousy, blackmail and suicide enter the picture.

Private detective Takayasu Higishino rescues Ayane from two men who cornered her in an alley. Ayane is startled by Takayasu's appearance, he looks just like her presumedly dead brother Shingo. Shingo's car accident occured under strange circumstances, and Ayane has hired Takayasu to help her find out what really happened. Takayasu suspects Ayane's family maybe involved, so he heads back with Ayane to her family mansion, posing as Shingo, hoping to uncover the truth.

Two sisters live with their family. The elder is reserved; the younger lively. Yet, the former is first engaged and all goes well until the young man disappears

"Though still young, Natsuko gave up the life of a geisha to become the mistress of the president of a shipbuilding company. When he is about to re-marry she insists he either wed or stop seeing her. Returning home, she again meets the man she first loved and for a time thinks of married happiness."

At sixteen, due to illness, Tsuruko goes blind, and has no choice but to become a massage therapist. One day, stumbling on a staircase, she meets a businessman and falls in love with him.