Beomgyu is an ordinary guy who goes to high school. He loves rock bands, guitars, video games, and funny cat videos. Beomgyu's life changes completely when he accidentally gets involved with the most dangerous guy Yeonjun.

Yeonjun is a disaster, he is dangerous, cunning and has a terrible lifestyle. Parties, alcohol, drugs and sex are what surround Yeonjun every day. But suddenly he started showing interest in Beomgyu... It's really weird because Beomgyu doesn't know that Yeonjun bet on him...