A wealthy heiress is kidnapped during her childhood. While escaping, she sacrifices herself to save a member of a prominent family but is replaced by the kidnappers, leaving her mute and believing her abductor to be her father. Meanwhile, the kidnappers' daughter is transformed into the true heiress. As adults, the mute woman and the wealthy man inadvertently spend a night together. Can they uncover each other's true identities and rekindle their love?