In the gripping episode Your Devoted Wife from the classic radio series Suspense, the tension unfolds aboard an overnight train to Chicago, where a woman named Melissa is traveling with her gravely ill husband, Martin. As the train chugs along, Melissa's primary concern is to keep Martin calm while concealing the true nature of his condition and the reason for their journey. Martin, suspicious and increasingly agitated, begins to question Melissa's motives, leading to a fraught exchange that reveals the complexities of their relationship.