In his 40s, the stuntman Woo-seok wishes to go back to the prime of his life in 1997, before a facial scar ended his acting dreams. One day, he purchases five talismans from an unknown monk, hoping to change his life. However, during a film shoot, a car accident transports him back to his high school days in 1997. Now living as the high school student, he embarks on a project to revamp his past life, which was filled with a troublesome father, son, and husband.

Ha-Jin (Yoon Jin-Seo), Yoo-Jin (Shin So-Yul), Tae-Suk (Kim Da-Hyun) and Kyoung-Chul (Lee Si-Yeon) all attended the same high school. Due to an unsavory incident, Yoo-Jin disappeared. 10 years later, these four people are now at the same place. The next day, Yoo-Jin, who is a budding novelist using the pen name of "Jin-Jin," is found dead. The other three are now suspects. Veteran detective Dae-Sik (Kim Min-Sang) tries to solve the case.

There is a tragic history behind the painting titled The Shaman Sorceress, left in the home by a mute girl and her father. With husband and daughter by her side, Mohwa devoted her life to practicing shamanistic rites. She is rejoined by her long-estranged son, who turns out to be a converted Christian. The ensuing religious conflict between the two grows more and more intense until a tragedy strikes.

A Japanese woman visits Gongju to find a Korean man she had a crush on but doesn’t remember what he looks like exactly. A Korean man encounters a Japanese woman who looks just like an old Japanese movie star he has been obsessed with. They meet between accident and fate.

Best friends Dong-sik and Seung-ho have a crush on the same girl at school. When she's found raped and murdered, the main fishy is someone the boys know very well, and it tears their friendship aside.