When Coleman Ettinger (Jason Robards, Jr.) and his married woman, cistron (bagpiper Laurie), try a mystic experimentation, an accident transport their mind into adolescent Bobby Helen Keller (Corey Feldman) and Lainie Diamond (James Meredith Salenger), while the child end up trap in a dreaming province. While Coleman enjoy his vernal being for a small piece, he shortly hanker to return things to the way they be, which prove to be to a greater extent debatable than he had imagine.