A desperate woman witnesses a murder and steals the victim's train ticket to escape town, only to discover the killer is on the same train and she can blackmail him for his share of a stolen necklace worth thirty thousand dollars.

A woman discovers a corpse inside a cab and contacts the cops for help, but this turns out to be the wrong move. The tale has also gone by the name "Death In A Taxi." This script had been used before on "Inner Sanctum" on March 3, 1947.