Young adults Tarquin, Jonah and Leonara are recent escapees from The Royal Jericho Hospital.

Already challenged by severe physical and mental disabilities, at Jericho they were treated as little more than laboratory rats by evil Governor Bernard and his depraved Chief Physician, Dr. David.

Armed with new hi-tech combat equipment supplied by Tarquin's trusted servant Stan, our heroes return to Jericho to rescue Aunt Edith.