In a sci-fi feudal universe, a young heir to the Demon King's throne finds herself entangled in a web of romance and power struggles, as she seeks to understand the enigmatic Demon King and his legacy....

When the celestial heir, Li Mu, is banished to the Demon's Realm, he must navigate a treacherous political landscape, forming an unlikely alliance with the Demon King, while uncovering a plot that threatens his very existence....