Superhero Jo Schmo has a problem: There aren't any crimes to fight in San Francisco! So she and her doggy sidekick Raymond build a time machine and head back to the Gold Rush Days to track down the notorious burping outlaw Wyatt Burp. Meanwhile, trouble is brewing back in the present time. Two mean girls have it in for Jo, and they're lying in wait for her with a wrecking ball. If Wyatt and his Hole in the Head gang don't get her, Gertrude and Betty will. Look out, Jo!