Joko is a nun at Aitoku-in, a small nunnery in Yamamon. Tatsuya, the temple boy, has a secret crush on her. One day, a village girl, Misa, comes to see Joko. She has been having an affair with Tatsuya, and today they are entangled in a room at the temple. Joko, captivated by their lewd behavior, admonishes himself and sits in meditation. Meanwhile, a man named Tashiro is trying to sneak into Aitoku-in. Tashiro, who is heavily in debt, heard a rumor from his wife Shizue that if you pray while bowing to Joko's genitals, you will receive a blessing, so he comes to Aitoku-in...