In her childhood, Ella rescued an injured black dragon, forging a lasting bond. Years later, her stepmother colludes with the Chancellor to poison the King, framing Ella for patricide by claiming she conspired with the dragon. Imprisoned and facing execution, Ella is rescued by her loyalists at the cost of their lives. She returns to the Mist Forest, determined to unite with the dragon to gather evidence, expose the villains' conspiracy, and uphold justice to clear both her name and that of her late father through the rule of law.