At a prestigious institute in Seoul, academic pressure is at its highest. Seung-woo, a young math prodigy, is known as the "genius" of the classroom, but behind his brilliance lies a life of loneliness and high family standards. His mother, a former academic, expects him to follow in her footsteps and become an elite student. However, his self-esteem begins to falter when he crosses paths with Min-ji, a seemingly carefree student who doesn't adhere to the same rigid rules as he does.