Jang Ok Jung- Trailer in english
(c) Facebook page Jang Ok Jung
Drama is about a royal concubine. If you don't know who a concubine is. Answer to your question is its a woman who cohabits with men of importance, without getting married to them.
Jang Ok Jung played by Kim Tae Hee,which is her real name. But known as Jang Hui Bin. The story is about her resurrection. As she became infamous due to her scheming nature.
Drama is set to broadcast on April 8, 2013 for broadcast on Mondays and Tuesdays at 21:55. SBS will be telecasting the drama.
Link for the english trailer by dramafever:-