The Sliders accidentally slide out with Maggie's double, leaving Maggie stranded on an American military base where deadly experiments are performed on pilots. Meanwhile, the Sliders arrive on a world that outlaws technology.

The Sliders arrive in what is literally the happiest place on Earth. But in this small community, a little girl witnessed her grandfather leap into a mysterious chasm and begins to feel an overwhelming sorrow. Worse yet, it soon spreads to Rembrandt and Maggie.