SYNOPSIS

Ji Yoon-soo is a math teacher at a private high school. She is a romantic teacher who encourages her students to find their own answers and prove themselves. Baek Seung-yoo is a student at the school. He currently ranks last in school for academics, but has a hidden past. Once a math genius who won several math Olympiads, Seung-yoo entered the MIT at age 10, but dropped out 2 years later and went off the radar.