Johnnie and Gabby get transported to Tombstone, AZ in 1880 while reading a magic comic book. They work for Wells Fargo and drive a stagecoach delivering passengers and a strongbox from Tombstone to Benson, AZ to meet the train. They the continue to guard the strongbox containing gold bullion on the train from Benson to San Francisco, CA. Along the way, the train gets robbed and the passengers are stranded. Eventually a posse is formed with Annie Oakley who pursue the bandits.