When Marshal Troy Garrison is forced to leave the Colorado town of Aguilar under a cloud, he figured he was done with the law for good. Shamed and humiliated through no fault of his own he heads south into New Mexico. A meeting with an itinerant gambler finds the unlikely travelling companions in Cimarron. A series of unsavoury incidents culminating in Troy's rescue of a damsel in distress find him reluctantly pinning on the tin star once again. An unscrupulous gang of rustlers is terrorizing the area. And Troy is forced to choose between the girl of his dreams and upholding the law when her brother becomes involved with the gang. Unfortunately, a man's past has a habit catching him unawares. The havoc this causes will need all of the reluctant tin star's daring and ingenuity to overcome.