The general's daughter, Bai Li Xing Xuan is on a secret mission to find and protect a lost seal, missing since Lord Zhao Hua’s death. As she goes on this mission, she meets Fu Ye with a hidden identity, a rich playboy by day, and a masked hero ‘The Red Demon’ by night.

(Source: MyDramaList)

　　昭华城的城主突然去世，代代相传象征城主之位的“如梦令”亦神秘消失，此时昭华城群龙无首，众少主之间的争夺愈演愈烈，纷纷视“如梦令”为争抢目标。纷扰的时局中，大将军百里文龙之女百里星轩，领父命先一步取得“如梦令”，然而大少主紧追不放，紧急之下，百里星轩巧遇镖局之女苏烟出嫁，顶替苏烟成为新娘，嫁往凉州城富商扶家，彻底避开刺客追杀，还与传闻中出了名的纨绔子弟扶烨，成为一对欢喜冤家。