Kai, in order keep his normal life, he has to lie about being the only son of the richest businessman in South Korea. His father sent him to the States so he could study for business so he could run the company later. But Kai is being torn between pursuing his dream of dancing and being a filial son.

Lily got transfered too late to school, there were no room left for her, everyone already had a roommate, except for the room that Kai is in. Unwillingly, she accepted to be Kai's roommate and the truth about "rich Kai" is only a few steps away from being exposed.