Jiang Taifeng (played by Jiang Zhihuan), the handsome first architect in South Korea, pursues a simple and practical design style at work, but when it comes to choosing a girlfriend, he likes to judge people by appearance. An unexpected car accident caused him to suffer from temporary visual impairment, that is, within a day or two, he will not be able to distinguish between beautiful women and ugly women. That night, Jiang Taifeng met the plain-looking Li Shujing (played by Lee Ji-ah). At this time, Li Shujing, who was full of alcohol, turned into a peerless beauty in the eyes of the sick Jiang Taifeng. Faced with such a handsome man's flattery, Li Shujing, who has always been just trying to please others, is completely immersed in the joy of love. But just after Li Shujing returned from a three-day business trip, everything changed...