Reiko Sawamura, a dedicated nurse, finds herself drawn into a forbidden act when she is intensely pursued by a patient, crossing the boundaries of professional ethics. The son of her ex-husband, entrusted to her care, accidentally discovers her affair with the patient. This shocking revelation ignites the son's hidden desires, pulling Reiko deeper into an uncontrollable whirlpool of lust. As the lines between work and personal life vanish completely, primal instincts take over, leading to a spiral of humiliation and raw passion.