Everyone has secrets they want to hide. Do-kwon has a habit of deliberately wrinkling his face to hide his secret that he likes to be handsome. However, Ryeo-soo has the ability to hear other people's inner feelings, he becomes interested in Do-kwon, who trembles inwardly when he sees himself. Then one day, Ryeo-soo hears Do-gwon's earnest desire. "I'll save you. Can you teach me to study instead?"