In the bustling city, a young woman named Ari, a sick and dying girl, stumbles upon an antique shop and discovers a mystical hourglass that transports her into the world of a book she once read, set during the Cheng Dynasty, a period of turmoil and chaos. Suddenly finding herself inhabiting the body of a woman named Chang Yi amidst the turbulent reign of kingdoms, rife with betrayal, rival clans, court conspiracies, and intrigue, Ari is determined to alter the fate she had once read about. She resolves to intervene, hoping to reshape the intricate destiny of the young girl in whose body she is trapped. With her knowledge of future events, she becomes determined to bring peace and unity to the fractured empire. Will her actions alter the course of destiny, or is she merely a spectator in this ancient tale?