A ridiculous merger at a university brings the computer engineering department and modeling department together. Students from the two departments begin to study together. Kang Min Hak in the modeling department has gained a million social network followers after appearing on a dating program. He has a charm to attract the people around him. Joo Yun San is the top student in the computer engineering department. She is able to swiftly solve problems, but she has a fatal drawback that even a single error stops her from moving on. She works on her computer all day long and doesn't have interest in dating. At first, Kang Min Hak and Joo Yun San unexpectedly get involved with each other, but they develop romantically.