A young, lithe twink presents himself at a mysterious clinic, seeking a peculiar medical examination. The doctor, a stern but intrigued gay man, begins the physical, focusing on the patient's tight, muscular asshole. With gloved hands, he probes and stretches the taut entrance, causing the twink to gasp and moan in unexpected pleasure. The doctor, growing aroused, decides to explore further, using his medical expertise to bring the twink to new heights of gay ecstasy.