No One On The Line

A prosperous businessman, Harvey Benson, becomes obsessed with the possibility of his wife Linda's infidelity. His suspicions lead to the murder of a man he thinks is her lover, but Linda shows that she only wants a divorce, leaving him to face the ruin of his life and the futility of his actions.

The Mysterious Traveler was an American media franchise created by Robert Arthur and David Kogan. All versions of the franchise focused on suspense and crime fiction, with occasional elements of horror or science fiction.

Wikipedia. CC BY-SA 4.0. Updated Jan 25, 2026.