He's a megamillionaiare and a detective, while he's a famous rock star and a playboy, and she's an ordinary girl struggling for herself and to take care of her family. Taner is from a poor family, her life turns upside down when her father had a heart attack. She tried and struggled to raise the money for her father’s surgery in the process she met Kim Jiseok, a detective who was investigating a case and she was there at the wrong time or was she? He gave her a job as his personal secretary. Along the way came the famous playboy and rock star, Jimmy(Jiho), Jiseok younger brother. He fell in love with her at first sight. Due to the pressure by Jiseok father, he asked Taner to pretend to be his fiance unknown to him his father already have a plan for him. Along came the mysterious man, Lee minghun who's also interested in Taner. What happens when the father ask them to get married? Will Jiseok be able to save her before it's too late? Who will Taner choose? Will she be able to save her father and find out her real identity? Find out as we follow Taner, Jiseok and Jiho in their unexpected journey.