When Jack Pepper settles in Bluebonnet, he looks forward to a peaceful way of life. He plans to marry, even takes on the full-time role of sheriff. What he doesn't reckon on is the famed gunfighter, Lambert Caste riding into town and making camp at the local saloon. There is somebody the gunman is looking for - but who is it? Tensions rise inside and out of the saloon; unable to contain previous indiscretions and guilty consciences, confrontations arise. When Jack discovers he's inherited a ranch with a fine spread of land, the schoolmistress, Rose Bellaman wants him to make up his mind about their future together. But town dignitaries tell him he has obligations. Jack has to decide whether to ride off or stay and prevent further trouble - and find out who the gunman is really waiting for.