Aideen, the noble duke's daughter, serves as the Emperor's lethal agent and leads the covert group known as 'Owl.' Despite her unwavering loyalty and sacrifices, she faces betrayal and a death sentence by guillotine. As her Lord forsakes her, her life abruptly ends, only to restart at the age of 17. Driven by a thirst for vengeance, she plots to dismantle Ferdi, a nation dear to the Emperor. Unexpectedly, Diceon, the Prince who ordered her execution, becomes entangled in her revived existence, acknowledging her striking red eyes. Witness Aideen's tale of resurrection, revenge, and the looming destruction of her homeland, as she navigates a tumultuous journey of betrayal, survival, and retribution.