During the Independent Day Celebration in Cimarron, Duke Mason, U.S. Marshal along with his close friend Joe O'Brian, a Texas Ranger are enjoying the cowboy games when they are suddenly taken unaware by a band of outlaws with detrimental results. It is a day that changes their lives forever. The ruthless Moryson brothers and their gang of cold-blooded outlaws arrive shooting up the burg, killing the innocent and defiling some of the womenfolk, including Joe's girl, Becky. Along with a brutal half-blood, Comanche-Mexican called Raza; they leave the lawmen for dead. The two lawmen, one duty-bound by the code of law, the other crazed with rage skirting on the edge of the law hit the trail in search of the gang. Join Duke and his companions; protected by the lethal bylaw of Texas, on their adventures; filled with murder, mayhem and a laugh or two, also with a bit of sorrow as they hunt for the Moryson Gang. Along the way, they encounter other lawmen, outlaws, painted ladies and a deadeye...