Pressured by his head office over high theft rates, a convenience store manager implements his own ruthless "iron law" to punish shoplifters. After catching an underground idol named Mei stealing, he uses blackmail and coercion to force her into submission, turning her crime into a means of absolute control.
Driven by a twisted sense of justice, the convenience store manager targets Hanakura Yoshimi, a woman struggling with kleptomania. By uncovering her secrets and shoplifting habits, he blackmails her into sexual submission and uses recorded evidence to ensure her silence. The manager's ruthless manipulation eventually breaks Yoshimi's spirit, leading to her total psychological collapse and the loss of her job.
When Yajima Asaka is caught shoplifting, the convenience store clerk uses the threat of exposing her to her husband to blackmail her into sexual submission. As the encounter unfolds, Asaka reveals the desperate financial situation driving her crimes and discovers a hidden thrill in her predicament, leading to a dangerous new arrangement between the two.
After the General Manager pressures the store manager over rising shoplifting losses, the tables turn when the manager catches the GM stealing via a hidden camera. Using this evidence for blackmail, the manager subjects the GM to intense "punishment sex" under the guise of a simulated interrogation to cure their kleptomania. The GM soon discovers that the thrill of theft and the pleasure of submission are inextricably linked, leading to a degenerate cycle of addiction.