The drama is a school fantasy thriller about a famous high school that can only be eaten once a day and can make dreams come true with just one bite. Choi Hyun-wook plays Seo Ho-su, the third-ranked student in the S class of the third year of high school at Junghan High School. His mother is bedridden and his father is missing, but he still maintains excellent grades. He is also the "Junghan High School fool" who is exploited by his classmates every day.