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,'
