The heroine, a modern beauty blogger, traveled through time and became a substitute for an ugly girl. The original owner's engagement was broken off due to a "birthmark" on her face, and she was substituted to marry King Xuan, who was rumored to have disabled legs and a sinister temperament. She accidentally awakened to the upgradeable beauty space (including top-notch skin care products, medical beauty equipment, beauty pills, etc.), And counterattacked from an unknown "ugly monster" to the most beautiful woman in the capital. Not only did she cure the prince's chronic illness, but she also relied on modern beauty wisdom to win over all the noble ladies in the city, and gained the ultimate favor from the cold prince, and finally stood at the pinnacle of power together.