Young-seo, a campus SNS queen with over 500K followers, loses everything overnight. To reclaim her status, she accepts a cruel bet: date a so-called “loser nerd” within one month. What starts as a game slowly turns into real emotions—but their relationship is built on a dangerous lie. With only a 3% chance of success, can love survive when it begins as a bet?

Cast: Gal So-won, Jung Woo-jin