Hyunwoo is a failure in every way. His first year of college was terrible, and it looks like his sophomore year will be even worse. But when he saves the life of an elderly street vendor on the way home, things take a bad turn. The elderly guy presents Hyunwoo with a magical elixir that promises to fulfill all of his wishes as a token of appreciation for his kind gesture. When he adds an apartment complex full of attractive women, including his college crush, Hyunwoo is about to fall into serious trouble.