In a quiet rural village, the natural hot spring "manse-tang" has been passed down from generation to generation, "jin-ho", in charge of running the public bathhouse alone before the opening of the new business, is left with his only employee, his next-door noona "Se-Jeon" to clean the house, a bunch of mysterious herbs and encyclopedia of medicinal material I accidentally found while organizing the store. the green herbal bath made from medicinal herbs with strange aroma warms up the relationship between a man and a woman!