Floyd Jones is sullen, ungainly and quite possibly mad, but he really can see exactly one year into the future. And this talent means that in a very short time he rises from being a disgruntled carnival fortune-teller to convulse an entire planet. For Jones becomes a demagogue, whipping up the ideal-starved population into a frenzy against the threat of the "drifters" , enormous single-cell protoplasms that may be landing on Earth soon. But, in a world of engineered mutants, hermaphrodite sex performers in drug-fuelled nightclubs, Jones is a tragic messiah. His limited precognition renders him helpless because he cannot bring himself to fight against what he knows will happen ...