At Blackthorn Manor, heiress Helena discovers her husband Charles has been betraying her for years—forging evidence and schemes to seize her freedom, wealth, and daughter. In desperation, she hires a down-and-out actress, Annie, to pose as a wealthy northern widow and lure Charles step by step into a revenge trap using a massive fake investment as bait. Suspicion and exposure loom at every turn—in this game of wealth and vengeance, who will fall first?