Blackjack, an incompetent security mare from the dystopian Stable 99, suddenly has her monotonous life turned upside down when the stable is invaded by vicious raiders. In a daring plan to save her home, Blackjack flees the stable with EC-1101, a valuable data file. With an enormous price on her head and a deadly cyberpony out for her blood, the struggle to survive in the blasted ruins of Hoofington tests her resolve and courage to their limits.