An invisible dome encircles the town of Millville, U.S.A. As dissension threatens from within - a nuclear destruction from without - Brad Carter slips through timephase boundary into a wondrous parallel world where he meets the aliens, who appear to be simple purple flower, but are really a complex data storage system that sweeps from world to world, dimension to dimension.

They offer mankind partnership in a grand cosmic scheme - but Brad Carter has to wonder.... how many other earth lay empty, swept clean by aliens, no world has yet understood... or stopped.