Hammond, owner of the town's stagecoach line & a leading citizen, is secretly opposed to Idaho becoming a state, & conducts raids against citizens to prevent order. Barbara, played by Linda Sterling, an expert with a bullwhip & pistol, dons a black costume becoming Zorro's "Black Whip", (The 1st female Zorro character) dealing a blow to Hammond & his gang each time they perform some heinous act.
