"The Strange Sisters" is an episode of the classic mystery radio show "The Whistler"

Pamela, the eldest, is forceful and overbearing, while Cathy, the youngest, is a weakling. The story begins with Cathy attempting suicide, which leads to a confrontation between Sally and Pamela1. Pamela manipulates Cathy into believing that Sally has taken everything from them, including their mutual love interest, Henry.