When gambler Ben Garner steps down from the train at Chandler Crossing, he feels a rush of adrenaline. He has arrived at a famed poker tournament, renowned for having the biggest pot of cash up for grabs of any game in the area. The slick card player is determined to enter the game, no matter what obstacles Lady Luck may throw his way.
En route to his hotel, Garner is robbed. Desperate and confused, he is suddenly confronted by a mysterious and beautiful female named Molly Walker. Her offer of a large fee to act as her guard and travel with her on the night train to Laredo seems too good an opportunity to pass up. But is this luck, or misfortune?