Bat is asked by a woman to help her and her young son escape the deadly Doolin gang who Bat has tangled with before. She wants to return to St. Louis with her son to her parents but her son wants to stay knowing only the gang as family.

Bat returns to Casper, Wyoming to testify at a murder trial. He learns that all the other witnesses are either dead or are afraid to testify and the father of the man under arrest intends to eliminate the last witness