Hot Hair Salon: Yoon Bong receives a breakup notice from his wife because of premature ejaculation. Yoon Bong's junior Hae-seong said that it was his special experience. Introduce them. A beauty salon that provides services with bikinis. Yun Bong finds his senses little by little there. With the efforts of Hyun-joo and Min-hee, Yun Bong cures premature ejaculation. So-yoon, his wife, is also happy to see Yoon Bong, who has returned as before.