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