A married woman with a lovely daughter lives a carefree life, until she meets her ex-lover at a friend’s wedding. They haven’t seen each other in ten years, but they begin an affair.
After going to extremes to cover up an accident, a corrupt cop's life spirals out of control when he starts receiving threats from a mysterious witness.
Mitsuko Kuroda is 31 years old and single. She enjoys her life as a single woman. A big reason why she enjoys her single life is that she has counsellor "A" in her mind, which is her other self. Whenever she does not know what to do, "A" gives her the right answers. She believes her happy and peaceful single life with "A" will continue, but she falls in love with Tada-kun. He is a salesperson and younger than her.
