Weng Jiaqi, a talented and beautiful doctor who is excellent in all aspects, is troubled by her childhood sweetheart Ji Xiaoyou, and almost collapses. She wanted to escape the world, but in an accident she finally came to a world without Xiaoyou. Yes, she traveled through time. But she never expected that she, who told Xiaoyou all day long that she was straight, would actually fall in love with a beautiful monster who was both evil and good.