Kagami Tsutako has been obsessed with Ii Azami for 20 years. While stalking him one day, she encounters Ii Azami being hit by a car. When she discovers he has lost his memory as a result of the accident, she decides to claim they are lovers in order to fulfil her lifelong desire. As a result, as Tsutako repeatedly lies one after another they begin to increasingly escalate…
The intercom rings. When Tanaka Yuka responds, she sees a woman she doesn't recognize. The woman says she wants to pay back the money she'd borrowed for taxi fare to Yuka's husband Shinji, who insists he lent her the money at a bar. Yuka, who is suspicious of the differing stories between the two, looks at her husband's phone that night. There she finds exchanges of extramarital affairs with five women. Shocked, Yuka works together with Kaito in order to identify and eliminate her husband's adulterous partners. Meanwhile Yuka and Kaito gradually become closer, which eventually leads to a physical relationship...
