In the sterile, white realm of his medical clinic, a gay doctor finds an unexpected challenge. A young, lanky twink enters, but he's not alone; his identical twin brother is by his side. Both are straight, yet both are hesitant to disrobe for their physical exam. The doctor, intrigued and excited, guides them through the examination, his professional demeanor faltering as he discovers each twin possesses not one, but two penises. He grapples with his desire while the twins, uncomfortable yet aroused, explore their newfound curiosity and their doctor's reaction to their unique anatomy.