She was an ordinary mortal girl in Ping'an Town, who made a living collecting medicines with her mother; he was the king of the wolf tribe in the Northern Wilderness Demon Realm who was ruthlessly killing people, but he was stabbed in the back by his half-brother and was seriously injured and left in the mortal world. The gears of fate began to turn through the thick fog in Yunwu Ridge. Pei Qingqing brought the seriously injured Zhu Ye home and took good care of him. They developed feelings during their daily interactions and shared hardships, but before the two expressed their feelings, Pei Qingqing's mother revealed that she knew Zhu Ye's identity as a non-human being, and also said that the human-monster had a different path, hinting that Zhu Ye left. Zhu Ye also knew that he could not involve the innocent Pei Qingqing in his murderous world, so he chose to bury his love deeply and leave. At this time, Pei Qingqing's childhood sweetheart Ruan Yunshu suddenly returned home in fine clothes. Also coming to Pingan Town were the demon hunters from Tianjue Mountain. They seemed to be coming for Pei Qingqing's mother An Shiniang...