Ning Xinglan transmigrated into a male-oriented harem novel as the wicked villain sister of the male lead, triggering the main quest to dig out the male lead's supreme ice spiritual root. Years later, she fakes her death to become the Demon Lord, and the male lead leads the entire cultivation world to seek revenge, publicly announcing her crimes. However, when Ning Xinglan removes her disguise, she shocks both the celestial and demonic realms, and everything she has done ushers in an astonishing plot twist.