The trip takes a dark turn when Sully is recognized and arrested for army desertion . He eventually reveals he deserted after being ordered to assassinate a target for corrupt financial reasons rather than military ones.
The story follows (Jane Seymour), Sully (Joe Lando), and the children as they travel to Washington, D.C. to lobby President Ulysses S. Grant on behalf of the Cheyenne people.
The episodes featured the series regulars alongside historical figures: as President Ulysses S. Grant Kathleen Lloyd as Julia Grant
While Sully faces a court-martial and a potential death sentence, the family uncovers a plot to assassinate President Grant.