Lee Hyeri. Which detective or police would not recognize that name? Hyeri was a smart and attractive thief. She was famous for being able to break into Fort Knox in the United States, one of the world's most secured safes. She managed to flee with 5 billion dollars. Luhan. A South Korean detective who had a face that could melt any girl's heart. Luhan was smart and charming. He caught so many burglars and thieves and murderers but Lee Hyeri was not one of them. To Luhan, Hyeri was his sworn enemy. No matter how hard he try, Hyeri would never be caught. But what will Luhan think of Hyeri when she step into his life like a cat?