In upstate New York, two teenage boys are tasked with cleaning out their father's old mobile home on an abandoned property, but the boys are in for a surprise when they discover three crooks on the run have taken refuge in the trailer.

Granite-jawed Jack Holt performs a dual role in Columbia's Trapped by G-Men.

U.S. Marshal Rocky Lane arrives to help his friend Nugget whose shipments are being robbed. Learning the gang only goes for incoming shipments, he figures they are repacking the loot and having Nugget ship it out. So he hijacks the next outgoing shipment finding a box labeled tools contains gold bars. Then posing as an outlaw he makes a deal with the gang hoping to round them up. But the boss learns he is a Marshal and he is made a prisoner.