The U.S.S. Cygnus is perched precariously at the edge of a black hole -- the vast, empty nothingness where space and time end. Anything that crosses its border enters a universe of the complete unknown. And so begins a story that only Disneys film magicians could tell. A story of robots and humanoids. Of human genius and madness. And a spectacular descent into nature's ultimate mystery -- The Black Hole.