You know how it is--you've built yourself a nice, artificially intelligent robot, and you're feeling pretty good about yourself... Until it suddenly tries to destroy everyone Sam, Arty and Emmie get more than they bargained for when Arty creates CHARLES for the school science fair. CHARLES is meant to be a helpful, chore-completing robot, but when he malfunctions, he proves to be a maniacal droid bent on destruction--all in the name...