On the wedding day, Chaolu's sect was massacred by the big devil. In order to save the sect and the people she loved most, Chaolu went back three hundred years ago to change everything under the secret method of the old sect master. Chao Lu went back three hundred years ago and discovered that the male protagonist Mu Ting was sealed by the Huayin Pond, but at this moment Chao Lu didn't know that Mu Ting was the big devil she was looking for. By some mistake, Chaolu's lover's poison was planted in Mu Ting's body. The two were connected by fate, and a love-hate entanglement that spanned a century began...