The Iron Coffin of Western Xia

洗冤录之西夏铁棺

The King of Western Xia has a precious garment called "Bi Lu", which is said to be able to help mortals to ascend to immortality. The emperor is furious and orders Song Ci to find out the truth, whether it is the Western Xia that has the intention to rebel or whether it is really the treasure clothes that hook the soul.