Jooin, a 17-year-old student confused by love, unleashes chaos with some words spoken in a moment of anger. Anonymous notes questioning her actions begin to arrive, altering her quiet life.

In a remote mountain village of 15th-century Joseon, humble headman Heung-do hears a rumor that any village hosting an exiled nobleman will be blessed with abundance and fortune. Hoping to bring prosperity to his impoverished community, he eagerly submits a petition to host one—unaware that his guest is none other than the fallen monarch, deposed boy-king Danjong.