One day, the demon Seo Doya had a strange dream. That very day, he encounters a new student at his school, So Won. Strangely enough, even when Doya merely brushes against So Won, his body reacts in ways his mind doesn't intend. Meanwhile, So Won, having attended a welcome party for new students, ends up being invited to the home of Woo Jaehyun, a popular actor and a Film Studies student at her university. Caught between the increasingly entangled Seo Doya and Woo Jaehyun, can So Won have a trouble-free life at school?