Shinji, the young president of a local parts manufacturing factory, is married to Nana, who works in the company's office, and lives a modest life. However, there are people watching Shinji's apartment. One day, when he returns home late at night as usual, Nanako is gone. Shinji files a missing person's report with the police, and receives a Nanako package. Inside is Kudo, whom Shinji once fired for his poor work attitude, and Nanako, being pinned down by Kudo's entourage and transformed into a slut...