"The Young Master of Brothel" is a novel historical drama film about the story of Heo Seok (Lee Jun-ho), a cute love master who becomes the first male prostitute in Joseon and makes women's hearts flutter, and Haewon (Jung So-min), a forward-thinking, flower-like beautiful woman, and their journey to find true love in the Joseon era when the concept of male superiority and female inferiority was deeply rooted and women were oppressed.