Lee Hyun Soo is a prodigy in Asia’s advertising field. Rich, famous, and mightily successful, he suddenly announces during a press conference that he will be taking a three-month break from the advertising life. With a simple disguise, he transforms himself into “Lee Chan Sol.” Enter Jang Ma-ri, a young woman who promised her late brother to protect his advertisement agency and his legacy. Unfortunately business never picks up and Ma-ri had to battle with Hyun Soo to stop her company from being sold. When Chan Sol enters her office doors, Ma-ri initially thinks that he’s Hyun Soo but the two men’s personalities are complete opposites. Ma-ri finds herself drawn to Chan Sol’s warm temperament, but will their love last once she discovers the truth of his identity?