Yi Mongyong falls in love with Ch'unhyang and they secretly marry. However, Yi Mongyong must leave to accompany his father to the capital. A new cruel magistrate arrives and imprisons Ch'unhyang when she refuses his advances, remaining faithful to Yi Mongyong. Yi Mongyong passes exams, becomes an inspector, and returns to Namwon in disguise. He discovers Ch'unhyang's fate and intervenes at her execution, revealing his identity.