In late 1700s Korea, Lady Cho challenges the playboy Lord Jo-won into seducing and sleeping with her husband's coming young, virgin concubine. Lady Cho agrees to sleep with him if he succeeds.
Untold Scandal is a 2003 South Korean historical romantic drama film directed by E J-yong, and starring Bae Yong-joon, Jeon Do-yeon, and Lee Mi-sook. Loosely based on the 1782 French novel Les Liaisons dangereuses, this adaptation takes place in late 18th century Korea, during the Joseon dynasty.