It seemed as though the world was eroding right under everyone's feet. Stories disappeared from magazines; the baron's silver coat of arms, polished in the morning, was pitted with corrosion by afternoon; toadstools were springing up from every corner. And these were but the first signs of the coming plague, a cancerous orgy of patternless vitality seeking to engulf the world.. Carefree Johnny Curlon, indelicately plucked from his fishing boat one evening, is bluntly informed by high powers that he is a man destined for a role in great affairs: only his unique powers can prevent the coming probability crisis that threatens to turn the world into bubbling chaos.