The Alfred Hitchcock Hour - Season 3 Episode 24 Power of Attorney

James Jarvis is a con man that is posing as a expert in the stock market. Things begin to look good for James when he gets in good with the wealthy Mary Crawford and her friend Agatha. He begins to control all of Mary's money and claims that he lost it all in bad investments. When she hears the news, Mary is shocked and commits suicide. Agatha, however, wants revenge. She conceals any evidence of suicide and invites James over. She gets James's figerprints on the suicide weapon and locks him in the room with Mary's body. She, then, calls the police and tells them that James killed Mary. When James's is killed in a shootout with police, Agatha gets her revenge.