By the sea, a contract binds two strangers: Han Jaehun, a cold heir hiding pain, and Kim Haejun, a bright art student burdened by life.
宫女凌云（柯颖 饰）潜入深宫，以身作饵步步为营，最终爬上龙床成为逆袭宠妃，撕开了后宫中最位高权重的皇妃不为人知的丑恶嘴脸。但凌云也因此万劫不复，不知她能否在腥风血雨的宫闱暗局中全身而退，能否从姐弟禁忌爱而不得的刻骨陷阱中寻得一线生机！
