When a mobster's widow decides to testify and provide names of others involved in evil deeds, she goes undercover to avoid being killed. Onboard a train going cross-country, she's being escorted in order to testify. Cop Walter Brown and his partner are assigned the task, but the mob are on their trail, attempting to make sure she never reaches her destination.
There are no TV Airings of The Narrow Margin in the next 14 days.
Add The Narrow Margin to your Watchlist to find out when it's coming back.
Check if it is available to stream online via "Where to Watch".