Stan and his friends are fascinated by the crazy old man who lives on their street. He's an inventor, a mad scientist, and he's building cars that run on chicken droppings... or so they say. There is also speculation that he is experimenting on dead bodies in his basement, but the truth is that Emmett Rivers is working hard to free the world from its dependence on oil. He is fashioning a device which, when it is finished, will convert hydrogen into energy. It will run on water. Of course, there are a few hitches. Emmett so far, is unable to get the machine just right. Everything is theoretically working, but it's just a little off. It's nothing a few months of fine work can fix. Unfortunately he might not get that chance. Monica has arrived, as an IRS agent, to look into Emmett's tax deductions. While she is there, Stan finally gets up the courage to sneak into the house and see just what the crazy old man is working on. But elsewhere, Carl Northram, an oil magnate, has been