The heroine Shen Qingci is an unpopular concubine in the Prime Minister's Palace. She possesses medical skills and secret guard skills, and has been forbearing for many years. The sister-in-law Shen Qingwan is delicate and frail, and refuses to marry the rumored violent and disabled Prince Jing Xiao Jin. In order to protect the holy family, the Prime Minister's Palace forces Shen Qingci to marry instead. Prince Jing Xiao Jin actually pretended to be a brave man and plotted secretly. Starting from the wedding, the substitute does not pretend, the crippled king does not hide, the powerful collide, and the wrong marriage becomes a true match.
