Paresa Menzel, lured by the promise of high pay, agrees to serve the empress who is known to be a cruel villainess. Anticipating evil incarnate, she instead finds a complex woman with hidden scars, which makes her solidify her vow to aid her. However, Paresa is secretly a runaway knight from another kingdom, and her identity is uncovered by the crown prince, who suspects she is a spy. Though his captivating beauty unnerves her and challenges her resolve, Paresa's steadfast loyalty to the empress stands firm. Will her hidden past endanger them, or will it forge unexpected bonds in this dangerous game of deception and loyalty?