Aria transmigrates into Imperial Summerland as the cursed Sixth Princess. She learns the original princess was bullied to death, leaving their mother Grace broken and tormented. Bound by the dying princess's final wish, Aria must exact revenge, protect her mother, and fulfill three last desires. Armed with arcane arts from the Sanctum, she deliberately draws close to the cold-blooded Emperor Harrison. Hiding her cunning behind the guise of a child, she chips away at his defenses and reawakens his buried love. Step by step, the forsaken princess transforms into his most treasured daughter. But vengeance is only the first wish. Two remain, and the palace is watching.