John Goddard

When a scout from the Battle of the Little Big Horn tries to blackmail Gen. Custer's widow, she fears he plans to provide damaging testimony at an upcoming hearing for Maj. Reno; Earp must convince her that her husband was a courageous man.

Earp rides to Oklahoma in search of a killer who stabbed his cousin Nate and volunteers to join a group of cattle drivers, one of whom owns a knife similar to the murder weapon.