Lucas welcomes his old friend Tom Birch, who once saved his life, unaware that the man is now a bank robber who is on the run with his gang.

Lucas puts his life in jeopardy when he agrees to testify in a murder case where the first witness was killed before he could testify, and the killer is still at large.

When escaped convicts hold up the general store in North Fork and take Marshal Torrance hostage, Lucas comes to the rescue.

Mark's finding of the body of a murder victim starts Lucas, his friend Artemus, and Marshal Torrance on a search for the killer.

A condemned killer being transported by train murders a marshal and takes Mark hostage.