Eun Na's father is deep in debt, and if he can't pay, their landlord will claim her as payment. The family rallies together to pay what they owe, and Eun Na meets Tae Kyung, a wealthy young man from the mountains. When Eun Na's father is injured and unable to work, Tae Kyung steps in to help. Eun Na accepts his offer...and finds herself falling in love. But Tae Kyung keeps a dark secret. His soul is cursed. Each night he is forced to take the form of an ethereal phantom, and he has lost all hope of freedom-and love. This magical story, inspired by a Korean folktale, is set in a fictional world based on Joseon era Korea.