In the quiet hallway of a hospital at night, nurse Makoto indulges in secret sex with a patient, narrowly avoiding detection by her fellow nurses on patrol. Her actions are not driven merely by desire, but stem from falling into a patient's cunning trap, forcing her into repeated sexual encounters each day. Subjected to relentless humiliation in various locations, both day and night, Makoto never resists strongly—not because she welcomes it, but because her body craves the sensation, and deep down, an uncontrollable desire may be taking hold of her...!?