A phony psychic and con man are a conniving couple who plot to swindle an old lady out of her fortune by telling her they can find her long-lost nephew. In the process, their lives become intertwined with a larcenous jewel merchant and his beautiful girlfriend who have an affinity for kidnapping. Filled with plot twists from beginning to end, the final film from the Master of Suspense is a fitting finale to his illustrious career.