Antonia is a professional weapons designer and master thief. As a thief, her alias is Masque. Antonia is sly and very destructive. She loves to cause destruction and mayhem during her heists. Nolan Chance used to be her partner, but during one of their heists, he betrayed her and went on the run. Despite this, she still agreed to join his crew to help him rob Kado Thorne, a very wealthy vampiric man who has collected many valuables across time.