Perry Mason - Season 4 - Eps 17: The Case of the Wintry Wife
Inventor Walter Randall wants a divorce from his cold-blooded wife Laura in order to be with Phyllis Hudson. Laura decides to get back at Walter by blackmailing one of his assistants into building a bomb that will destroy Walter's underwater sounding invention. While checking on the bomb in the warehouse, Laura is discovered by Phyllis and takes advantage of the situation by knocking her rival out. Phyllis manages to survive the explosion but she is later charged with Laura's murder.
About Perry Mason

Title: Perry Mason
First Air Date: 1957-09-21
Last Air Date: 1966-05-22
Status: Ended
Rating: 7.7/10 (from 123 votes)
Language: EN
Seasons: 10
Total Episodes: 271
Network: CBS
Genres: Mystery, Drama, Crime
Production Companies: Paisano Productions, TCF Television Productions, CBS
Synopsis
The cases of master criminal defense attorney Perry Mason and his staff who handled the most difficult of cases in the aid of the innocent.
Cast

Raymond Burr
Perry Mason

Barbara Hale
Della Street

William Hopper
Paul Drake

William Talman
Hamilton Burger

Ray Collins
Lieutenant Tragg