During a spring rainstorm, sixteen-year-old twins, Kara and Carl, hear pounding on the side of the house, and are surprised to see bright sunlight beyond the study window. A shaggy-haired barbarian is striding toward them, a dead deer draped over his pack pony. Carl unintentionally falls into the other world and pulls Kara with him. The window to their world closes and they are trapped in the wilds of King Arthur's Britain.

Where's a knight in shining armor when you need one?