Jobe, the church gardener known as the Lawnmower Man, is an adult with a six-year-old's mind. At Cybertech, a nearby research centre, Dr Angelo uses his technological breakthrough, an advanced virtual reality computer system, to accelerate the intelligence of laboratory chimps. Ater a chance meeting with Jobe, Dr Angelo begins experiments to advance Jobe's intelligence... with amazing and disturbing results. Based on a short story by Stephen King.