It will be the role of his life. Guen Bae has always had a talent for impersonating celebrities and transforming himself into different characters. But he can never live up to the standards of Guen Ho, his smart, older brother, so he runs away from home and finds success working as a disguise artist. One day when Guen Bae discovers Guen Ho’s dead body, his first instinct is to call the police. But a second thought comes to him that gives his meaningless life a new sense of direction and purpose. He decides to take on his brother’s identity as a police officer and track down his brother’s killer. As Guen Bae takes on the most important disguise of his life, he must try to fool Guen Ho’s fiancée, fellow police officer Woo Kyung Hee . As Kyung Hee investigates a mysterious suicide case, both she and Guen Bae are led to the sinister workings of Han Seung Won , who has his own reasons for trying to make money off of poor and desperate people. Can Guen Bae pull off the greatest impersonation of his life and bring his brother’s killer to justice?