In the year of 2032, Choi Sojung is the best female detective around. She would be able to easily figure out any type of mystery, including the deep inside of murders. But when a single mother comes to her lousy front office asking for her to solve an impossible mission, she feels dumbfounded. Whats the mystery? What is with Kim Taehyung, the famous K-idol. But being the best detective, she refuses to quit and tries to solve the impossible mission given to her. But when she gets closer to solving the mystery, the more she regrets ever being a detective.