1600 A.D. Ancient China. 3 River Valley - An area where 3 rivers cross to form 1 big river. Rich in flowers, animals, fields, mountains and of course, the river! Lui Li Na is the first daughter of a highly ranked general, Lui Wang Yong. After her father got remarried when she was 3 years old, he sent her off to live with her grandparents due to his new wife. 15 years later, her father dies in place for the highest ranked general, 23 year old, Zhang Wang Wei. Wang Wei takes on the responsibility of taking care of General Lui's whole family. He discovers that aside from 18 year old Lui Li Ming and her mother, Madam Lui, 21 year old Li Na exists. Li Ming and Madam Lui has tried to prevent Li Na from seeing her father for years and they'll do anything to get Wang Wei to favor Li Ming in order to remain noble. Li Na gets pulled into the lives of Wang Wei and her step family due to her father's will, but she's always trying to find a way out. Wang Wei begins to have an interest in Li Na, as she becomes the first woman to catch his eye because he slowly discovers her two-sided personality. Will his demanding attempt to keep her in is palace be because of his promise or because of his love?