Xu Junyan returned victorious from the battle, and the Holy Emperor granted him a marriage to Zhongshu Ling's daughter, Cheng Sanyue. Cheng Sanyue already had a sweetheart. Zhongshu Ling did not want his daughter to be wronged but could not disobey the imperial edict. Zhongshu Ling was very worried about this. At this time, a servant reported that someone had fainted in front of the Zhongshu Ling Mansion. This person was very similar to the young lady. A substitution conspiracy began.
Purpose: Marriage first, love later, feelings of family and country