A jobless man thinks things can't get any worse. He discovers how wrong he is when he is flung into a series of alternate realities in which he experiences perils beyond his understanding. Finally he comes face to face with a menace that threatens to face with a menace that threatens all that he has ever known and loved.

He discovers that he has unusual abilities which of a great importance to a sinister race of beings who wish to use them to further their aim of escaping a cataclysm in their own realm and then spread to other realities. But he also encounters others who wish to help and protect him.