Rex, Slim and the boys are fired by a wealthy rancher but decide to help him out when his daughter intends on marrying a shifty, gold-digging actor. Meanwhile, the rancher's foreman executes plans for a train robbery.

"ONE MAN AND A BLAZING SIX-GUN...STANDING ALONE...THE ONLY OBSTACLE BETWEEN THE WEST'S BOLDEST GANG AND A MILLION DOLLARS IN HI-JACKED GOLD!"