A heinous murder of a young girl breaks the peace of a community in Yuma, Arizona.

It's 1890. The town is growing and changing, with many emerging farms and ranches. But some of its people are not changing in concert with the times. After the brutal murder of a young girl, the killer escapes from prison with the help of his father.

Determined to bring Jenny's killer to justice, Ralph Forney and his best friend Ross Hendershot enter into a deadly chase to capture the killer. But even at the 19th century, the West is a dangerous, unforgiving place. Can the law keepers catch the criminals before it's too late?

A Running Man is the third novel in H. Berkeley Rourke's Hendershot Series.