Nurse A, the beloved mood-maker of the hospital, finds solitude vulnerable when a charming, married doctor, Y, takes advantage of her. The mysterious vitamin pills he hands her burn away her sanity, dragging her into the abyss of drug-fueled sex. A deranged nurse, desperate for pills, extracts semen from patients. Drooling and with a soulless expression, she thrusts her hips in a chilling reenactment of the crime.