In the prosperous city of Guangping, humans and demons coexist. Demons are skilled at hiding their forms and disguising themselves as humans. Ban Xia the daughter of a wealthy family, has a pair of strange eyes and can often see the shadows of those who are not there. Because of this, no matter how well behaved and docile she is, she is still called "crazy" secretly.
When Ban Xia reveals that her cousin's sister-in-law is a demon, which led her to be hunted down and meets the demon-hunter, Xuan Ye. The gentle kiss he gives to Banxia's eyes made her thoroughly see the world where humans and demons coexist. As they investigated number of strange events together in Guangping City, their relationship grows closer. But the secrets that Xuan Ye carries push Ban Xia away again and again as he gradually discovers that although he is a demon hunter, he might also be a demon….
