A patient came in for a checkup. He was told to ejaculate into the cup, but was startled by the nurse who suddenly entered, resulting in a failed sample collection! He's asked to produce more semen, but since it's tough, he asks for the nurse's help with the semen collection. Despite her initial confusion, the nurse tries her best to collect the sample, and takes advantage of her mistakes to make various demands. As things escalate and they work together, the nurse also gets turned on...