Steve Hill is asked to go under cover by a US Marshall (Don Collier) by renewing his relationship with a former girlfriend, Jane Carlisle (Ruta Lee),who is a new dance hall girl at the Medicine Bow saloon. The Marshall suspects Jane is part of a notorious robbery gang out to steal gold destined to pay for Indian land. Steve reluctantly agrees to do so and to gain the gang's confidence begins to act irresponsibly much to the chagrin of the Virginian and Shiloh hands who are unaware of his task. In the end Steve must face the robbery gang and its ruthless leader (Mark Richman) and his fate is in the hands of Jane.