Jin-woo, a model student who was all about sincerity, deviates from going to a club for the first time in his life. Driven by the spirit of alcohol, he spends an impulsive night with a handsome man he sees for the first time and is left alone in an empty room the next morning. At the bedside, several 50,000 won bills. Confused, Jin-woo is angry and confused because he got paid to sleep, but he decides to keep it in his mind. After returning to school, Jinwoo, who helps his juniors perform, makes eye contact with a familiar face on stage. Kwon Tae-young, the man of the night, who I thought would never see again. And Tae-young speaks with a twinkle in his eyes in front of everyone's hearing. "I found it."