A sadistic female doctor plays with her patient under the guise of treatment. The doctor places a towel over the patient's face and pours water over the towel. The doctor rolls a jagged roller over the patient's nipples. The doctor clamps iron clips around the patient's nipples and gives them an electric shock, then laughs. The doctor puts a gag on the patient and a nose hook, spreads his nostrils and mouth to observe him, and plays with him by pinching his tongue with tweezers and pulling it. The doctor inserts a bougie into the patient's urethra to expand it, and then gives him an electric shock. Every day, the doctor uses her patients as toys and enjoys her hobby.