When he becomes king, Lee Soo hires the Flower Crew matchmaking agency to make a noble woman out of his first love, Gae-Ddong. Ma Hoon, Young-soo and Do Joon try to fulfill their client's request.
Lee Soo, once an ordinary blacksmith, unexpectedly becomes the king of Joseon at twenty-three. Struggling with the palace's restrictions, especially in matters of the heart, Lee Soo's dream of marrying his childhood love, Gae Ddong, seems impossible due to his status. Determined, he hires the renowned Flower Crew to transform Gae Ddong into a noblewoman. Led by Ma Hoon, Do Joon, and Go Young Soo, they take on the risky task of refining Gae Ddong, but the transformation proves more challenging than expected. Will they succeed, or will the task be too much to handle?