Dr. Green, a seasoned gay doctor, begins his new research on the sexual health of young, inexperienced twinks. The first subjects, two shy but eager college students, enter the sterile clinic, their hearts pounding with anticipation and nervousness. The doctor, clad in his white coat, guides them through a series of intimate tests, from measuring their rock-hard erections to examining their tight, virgin assholes. The twinks, though hesitant at first, soon find pleasure in the doctor's skilled touch, their bodies responding eagerly to the thorough gay porn examination.