A romantic comedy about a woman that hates men with pretty face, a man that is obsessed with his looks, and how the people with flaws get over their prejudice! Lee Kang-Woo has strikingly good looks and thinks the world revolves around him. He is obsessed with his looks and enjoys it when people stare at him. He was dumped because he was ugly and gets mysophobia with appearance ever since. On the other hand, Joo Seo-Yeon grew up with three good-looking brothers and hates men with pretty face. The man of her dreams is “A man that isn’t handsome”. This TV series depicts in a pleasant way of how a woman who fought against the irrationality of lookism changes when she meets a man obsessed with his looks.
Seo Yeon gets into a fight because of her handsome older brother. Since this is not the first time, she is now sick of her brothers. Her boyfriend Jung Tae calls her to meet, and Seo Yeon is excited because he wants to meet her in the fancy restaurant which is a famous spot for proposing. However, Jung Tae’s face has changed, and Seo Yeon is flustered.
Seo Yeon breaks the flowerpot which the vice-principal adores. Min Hyuk witnesses her at the moment, and he tells the vice-principal who the culprit is. Kang Woo’s parents want him to join the family business, and it seems difficult for him to escape from them this time. Meanwhile, Seo Yeon goes to a bar to find Joo Hee, and she encounters Min Hyuk there.
Kang Woo tells Doctor Kim that Seo Yeon is the one who caused his trauma. Doctor Kim says that Kang Woo needs to overcome the fear regarding Seo Yeon so that he could get better. Chairwoman Han suggests Kang Woo that he should work for her company for a year. Meanwhile, Seo Yeon finally finds Joo Hee.
Seo Yeon brings Joo Hee to her house and tells Joo Hee to stay there. Kang Woo asks Seo Yeon to go out with him, and Seo Yeon thinks he is insane. Mi Kyung notices that Min Hyuk likes Seo Yeon. Meanwhile, Kang Woo becomes the chief director of Shinhwa High School.
Doctor Kim tells Kang Woo that he needs a photo of Seo Yeon to overcome his trauma. Therefore, Kang Woo takes a photo of Seo Yeon in secret. Meanwhile, Seo Yeon and Mi Kyung realize that Kang Woo is the grandson of Shinhwa Food’s chairwoman.
Shinhwa High School’s teachers and Kang Woo have a welcome party for Kang Woo. Kang Woo brings the teachers to Fantasia where Jung Tae dumped Seo Yeon. At Fantasia, Seo Yeon runs into Jung Tae, and Kang Woo witnesses Seo Yeon arguing with Jung Tae.
Doctor Kim says that Kang Woo is still in love with Seo Yeon, and Kang Woo strongly denies it. Seo Yeon waits for Kang Woo to get approval for the budget, but Kang Woo doesn’t come to school. Meanwhile, Kang Woo starts to work for Hyun Soo’s company as a fashion designer.
Won Jae is curious about Kang Hee. Kang Woo doesn’t come to school for four days, and Seo Yeon goes to his house to get the approval for the budget. Mi Kyung thinks Hyun Soo is a janitor at HS Entertainment. Meanwhile, Kang Woo feels embarrassed to have Seo Yeon in his house late at night.