Two professors secretly met at the back of the school with a cup of coffee. The battle of cutting water with a knife begins.

The Confidential Coffee Brake

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.