
A story of the Michigan State Police and the strong sense of loyalty and duty it instills in its men. It follows the career of a newly-inducted rookie, Ross Martin, who has joined the force at the urging of his sweetheart, Mary Adams. Martin soon distinguishes himself by his bravery in the apprehension of criminals. But when the leader of a gang of bank robbers falls into his hands and then escapes, because of carelessness on Martin's part, he is suspended from the force.

as Trooper Ross Martin

as Mary Adams

as John Vilker, alias Prof. Anthony

as Nan Vilker

as Trooper Jim Burton

as Training Sgt. Barrel

as Sheriff Peter Arnot

as Granny Adams

as Trooper Captain Ryan

as Whitey, burly henchman

as Smoke, thin henchman

as Trooper Haynes, Car 45

as Trooper Blatzky

as Trooper Carney

as Trooper Jamison

as Dutch

as French Charley

as Mack

as Radio Sgt. Meyers

as Dispatch Operator Harper