A chaste and devoted wife, Sayuri, will work as a cleaning lady at a cleaning company run by her hospitalized husband, but she is confused by unfamiliar cleaning and is bullied by young employees. Sayuri desperately endures relentless torture, but her body gets goosebumps and trembles with pleasure. Sayuri writhes while being humiliated in the office and in the hospital room. “I’m sorry, dear.”