Life Of Jang Ok-Jung, Later Known As Jang Hee-bin, one of the most famous Concubines of The Joseon Dynasty who was known for her hunger for power.Life Of Jang Ok-Jung, Later Known As Jang Hee-bin, one of the most famous Concubines of The Joseon Dynasty who was known for her hunger for power.Life Of Jang Ok-Jung, Later Known As Jang Hee-bin, one of the most famous Concubines of The Joseon Dynasty who was known for her hunger for power.