Once Again

Woo-Seok (Kim Da-Hyun) is in his 40's and the breadwinner of his family, but he isn't a good person to his family including his wife Ji-Min. He works as a stuntmen, but he wanted to become an actor. He acquired a scar on his face that made him give up on becoming an actor. Since then, he always dreamed of going back to his high school days, when he had the best days of his life and before he got the scar. One day, he happens to help a monk (Park Chul-Min) and he buys 5 talismans from him. While performing as a stuntman in a scene involving a car falling off a cliff, he gets into an accident. The next moment, Woo-Seok (Joe Byeong-Gyu) wakes up and finds himself as a high school student in the year 1997. He begins his life-changing project to have a different life. He tries to become a good student and to stay away from from his future wife Ji-Min (Han Eun-Su), but his friends Bong-Kyun (Koo Jun-Hoe) and Ji-Sung (Choi Hui-Seung) are not happy with his change.