This drama is based on novel of the same name by Kim Yi Rang which was published on 2014-Sep-22 by PubPle.

Before Lee Soo (Seo Ji Hoon)became a king, he was an ordinary blacksmith in the countryside. He life suddenly changed at the age of 23. This was when Lee Soo became theKing of Joseon. Meanwhile, Lee Soo’s first love is Gae Ddong (Gong Seung Yun).He loved her before he took the throne. King Lee Soo wants to marry GaeDdong, but, because of her humble background, it is virtually impossible. To marry Gae Ddong, Lee Soo hires the Flower Crew Matchmaking Agency. The agency consists of 3 handsome men: Ma Hoon (Kim Min Jae), Do Joon (Byun Woo Suk) and Go Young Soo (Park Ji Hoon) and they are the best matchmaking agency in Joseon. King Lee Soo asks the Flower Crew to make Gae Ddong a noble woman.