In a serene village in the countryside, there exists a historic hot spring that has been in one family for generations. As the establishment gears up for its grand reopening, Jinho unexpectedly finds himself in charge of the bathhouse by himself. His sole assistance comes from Sejeong, the beautiful girl living next door. While they collaborate to thoroughly clean the bathhouse, they discover an enigmatic bundle of herbs along with an ancient medicinal book tucked away in the storage area. After concocting a lively, green herbal bath using the aromatic herbs, they soon realize that something surprising starts to heat up—and it’s not merely the water!
50 chapters total