Jin Geum Seong is a poor nobleman who lives with his mother and making ends meet is challenging. While gathering wood on the mountain, he spies a woman swimming nearby. Believing she is about to take her life, he creates a disturbance allowing him to save Choi Hye Seong, the third daughter of Choi Jin Sa. Only things are not as they seem when she turns out to be a man named 'Salbyul,' Love will bloom between Hye Seong and Geum Seong, much like a flower on a warm spring day. Adapted from the webtoon of the same title by Noh Myung Hee (노명희).