In her life, she is a lost lamb in the city; and her previous life was the dark moon princess who caused the war between the gods of the six worlds, and Yue Huaying, the most beloved dark concubine of the lord of the underworld. He is the most powerful man in the six worlds, the greatest monarch in the underworld, and a generation of Pluto who is obsessed with killing enemies and his lover. When the powerful Pluto meets the lost lamb, will he become a shepherd dog who protects her alone for the lamb in his heart? Or continue to incarnate as a wolf to drive away the generation of Pluto around his lamb? Let's take a look at the real version of the love between the emperor and the lamb that has lasted for thousands of years.