Madame Natasha is able to predict crimes before they're committed. Billy Joe has a premonition of his own--that Madame Natasha herself will commit a robbery!
During a storm, a robot built by Dr. Morton seems to be creating havoc. He's actually helping to repair damage, but the townspeople don't see it that way. They cause the robot to go on a rampage, and only Shmoo can short it out.
The group ends up in a small town after getting lost during their vacation. They realize someone's been dumping harmful chemicals in the swamp. But who? And why?