Betrayed after raising her beloved to the throne, Li Wanrou perishes in the cold palace and is discarded into the funeral grounds. Reborn as the Vicious Princess, she awakens consumed by vengeance—vowing to overturn her cruel fate and slay those who destroyed her. Stripped of mercy, Li Wanrou navigates infinite trials and enemies, driven by singular purpose: to claim personal retribution with her own hands. Yet the cold Crown Prince emerges unexpectedly, entangling her in a passionate romance that threatens everything she has sworn to accomplish.