Wanqi Yuexia, the daughter of a family that has been catching monsters for generations, is kind and lovely by nature. Due to a chance encounter, he fell in love with his father Wanqi Yunshuo's enemy Ye Yaoli (demon). In order to avenge Wanqi Yunshuo for killing his biological sister, Ye Yaoli lured Yue Xia to fall in love with him after meeting him again and then killed him, but his weak feelings prevented him from doing so. A mistake made Yue Xia slip and fall off a cliff... Two years later, when Ye Yaoli met Yue Xia again, Yue Xia didn't remember herself. Various causes and effects brought the two together again...