Modern girl Lin Xiaomei accidentally picked up a jade ring, which allowed him to travel to a different time and space in the Yin and Moon years. In this world, she met Xiao Qianyu, the Yinyue Emperor with a peerless appearance and unpredictable personality; Luochen, a rejuvenating miracle doctor with superb medical skills; (There will be no vulgar love triangle relationship, basically 1v1. There will be BL couples. If you don't like it, you can have sex. Well, that's it.)