Han Seo-a is late every morning, and every morning the perfectionist student council president Baek Ji-hoo catches her at the gate. While cleaning an old club room as punishment, Seo-a mutters a careless wish, the bell on a dusty lucky-cat figurine rings, and Ji-hoo turns into a small white cat in glasses. Only Seo-a can hear him talk. With three days left before his festival opening speech, the two rivals start a chaotic mission to turn him back.
