When William's father kicks him out of his Kansas home, no one--including William--thinks he'll amount to much. William suffers from an ailment that causes him to twitch uncontrollably. Of course, this is strange behavior to folks on the frontier. Needless to say, it's tough for William to make friends. William's strange tic insults an outlaw. Forced to defend himself, William discovers his condition gives him phenomenal speed and accuracy with a six-gun. In Trinidad, Colorado, William struggles to keep out of the way of two railroad giants fighting to control the town. He wants to pick up and leave. But he has a new friend and she needs his help.