25-year old YunHo is the best entrepreneur in Park Co. He is diligent, hard-working, serious and responsible. Although he takes good care of his work, he does nothing for his home.
His best friend, YooChun, suggests a housekeeper and YunHo calls for one. He expected a girl but the agency sends him a 21-year old guy named JaeJoong.
He wants to fire him and ask for a female housekeeper but notices JaeJoong's ability to clean, cook and be unknowingly sexy while doing it. YunHo moves him in and learns more about his new laundry boy.