Frank Lawton goes to visit old friend Scott Shelby and ends up being charged with his muder. Fortunately for Lawton, Perry Mason is another old friend of his and he arrives on the scene to try and solve the case.

Daniel Conway is involved in a vicious proxy war with Warner Griffith for control of an oil company. Conway's secretary, Rose Calvert, is spying for Griffith. When Rose is found dead, Conway fears he's being framed for murder and approaches Perry at a bar association dinner and asks for his aid. Perry at first believes Griffin to be the guilty party but he has an ironclad alibi. Then another witness emerges who has a photographic memory and can identify people by their shoes.

Racketeer George Castle kills Las Vegas hotel owner Glenn Faulkner over a gambling debt and sets his sights on land inherited by Faulkner's daughter, Stephanie. When Castle turns up murdered as well, Stephanie finds herself the number one suspect.