Catherine hides a marriage to powerful airline executive William and prepares to share news of her pregnancy, only to be publicly cast aside when he welcomes Sarah, the woman he believes once saved him. Sarah and her mother have already destroyed Catherine's family, stolen what was hers, and left her mother helpless. William makes it clear that Catherine was never meant to have his love. His cruel choices cost Catherine both her mother and her unborn child, pushing her to leave him with a carefully concealed divorce agreement. But Catherine is far from powerless. Behind her quiet life is ZERO, the brilliant hacker everyone is searching for. She begins again beside Owen, a devoted tech entrepreneur who has loved her in secret. When William's airline is brought down by a devastating cyberattack, the truth about Catherine's talent and Sarah's lies begins to surface. As William begs for forgiveness, Sarah turns increasingly dangerous, resorting to betrayal, violence, and arson. With Owen at her side, Catherine exposes every deception, survives Sarah's final attack, and builds a future defined not by loss, but by love and purpose.