A small-town sheriff in the American West enlists the help of a disabled man, a drunk, and a young gunfighter in his efforts to hold in jail the brother of the local bad guy.
Harper is a cynical private eye in the best tradition of Bogart. He even has Bogie's Baby hiring him to find her missing husband, getting involved along the way with an assortment of unsavory characters and an illegal-alien smuggling ring.
When a gang of ruthless claim jumpers brutally murders his miner father, a gunman known as the Silver Kid joins forces with the local marshal to free the tiny town of Silver City from the clutches of the dastardly villains.
