Two school troublemakers decide to become better students. They visit their suspicious teacher everyday after school to ask questions and offer help. When their teacher falls ill due to overwork and is hospitalized, they decide they must find a way to show their appreciation.
Lee Seung-hyeon | Kim Jung-hoon | Jun Woon | Kang Nam-Gil | ์กฐ์์ | Lee Cheol | Han Ju-yeol | Kim Suk-gyeong | Kim Ung | Kim Gi-jong | Kim Min-gyu | Moon Mi-bong | Sok In-soo | Sung Moung-sun | Kim So-je