After her husband falls ill and becomes housebound, Yumi secretly works nights as a soapland girl, hiding the truth from him. Though she deeply cares for her husband, she also finds herself drawn to the excitement of her job. One day, due to a scheduling error at the shop, two clients arrive simultaneously. Flustered but determined, Yumi tries to manage the situation, but the two men are eager and relentless. From intense mat play to full-blown threesomes, they dominate her completely. Thrust into a role of submission unlike anything she's experienced, Yumi's ordinary life gives way to days filled with nothing but overwhelming, mind-numbing pleasure.