Celeste Yates, Ye family's eldest daughter, rejects a marriage, travels to Jiangnan for an engagement by Lord Yates. In Jiangnan, she meets Elias Grove, an old acquaintance. They fall in love. Elias Grove has royal responsibilities. Celeste Yates follows him to the capital, facing family schemes, court controversies. They work together during an epidemic, uncovering truth behind the mismatched marriage. When her original family ties strike, can Celeste Yates stay with Elias Grove?