Dan Bachelder invented the perfect best friend: Buddy, the first commercially successful artificial intelligence. Buddy is friendly, loyal, and eager to please, and has made Dan a very rich man... and he's driving Dan crazy! Dan wants a normal life again, and a chance to get to know Margo, the intriguing woman from his art class; but wherever Dan goes, Buddy follows, and everything goes wrong. Dan sees only one way out: killing Buddy.