MEYD-986 A married female investigator, Ai Sayama, falls into a trap set by a land swindler and is driven to ruin after being drugged and overwhelmed by intense stimulation.

Ai, who works in the First Investigative Division specializing in special fraud cases, has been trying to make contact with a group of land swindlers that has recently been causing a stir. After working for a month at a snack bar said to be used by the group for business meetings, she finally manages to get a lead. She is then asked to go undercover by posing as the proprietress of Yukawaya, a long-established inn targeted by the group, and begins her investigation. But the case involves 10 billion yen, and there is no room for failure. Then, at the final stage of uncovering the full picture, the developer who appears before Ai as the buyer turns out to be none other than her own husband…