When an evil emperor executes their leader, his band of knights – bound by duty and honour – embarks on a journey of vengeance that will not come to an end until they've destroyed their mortal foe.
Sang-hyun is always struggling from debt, and Dong-soo works at a baby box facility. On a rainy night, they steal the baby Woo-sung, who was left in the baby box, to sell him at a good price. Meanwhile, detectives were watching, and they quietly track them down to capture the crucial evidence.
Dee, the detective serving Chinese empress Wu Zetian, is called upon to investigate a series of strange events in Loyang, including the appearance of mysterious warriors wearing Chiyou ghost masks, foxes that speak human language and the pillar sculptures in the palace coming alive.
