Lan Wangji is an eighteen-year-old omega and the son of King Lan Qiren. He is best friends with general Su's son omega Su She and the Prince of Yunmeng, alpha Jiang Cheng, whom he's engaged to. However, bad rumors spread about Lan Wangji, making Jiang Cheng terminate their engagement. In anger, his father stripped his title as the crown prince and banished him from Gusu. That not being enough, he even started getting death threats from anonymous people and is constantly on the run. In order to save himself, Lan Wangji decides to meet the demonic cultivator alpha, King of Yiling, Wei Wuxian, who is also Jiang Cheng's adoptive brother for protection. However, rumor has it that Wei Wuxian is a cold, heartless murderer who takes pleasure in killing. However, due to his strong cultivation in the dark arts, no one was able to go against him. How would their meeting go? Will Wei Wuxian kill Lan Wangji? Is Wei Wuxian really as cruel as the rumors say he is?