Perry Mason is hired to identify a woman based on an appendix scar, as she fears being a look-alike to an heiress may be a setup for her arrest. A classic mystery!

Mason defends Della Street, who is accused of helping a material witness or possible murder suspect vanish from a crime scene. A classic mystery! Includes an introduction by Karl Wurf.

Mason is hired to identify a woman based on an appendix scar, as she fears being a look-alike to an heiress may be a setup for her arrest. Mason later defends the heiress on murder charges.

A man tells everyone that his wife has run away with his best friend, who seems to have a strange lack of enthusiasm about the affair. The case leads to murder, and a trial that hinges on multiple sets of footprints.

One of Perry Mason's trademarks is his ability, in court, to switch the physical evidence in a case. He generally does this with guns or bullets, and it confuses the jury, to his client's advantage. In this case, Perry offers a coroner's inquest two parrots, one of which swore like a muleskinner and was found near the body of a millionaire hermit who had been murdered.