Reality is broken.

At first, it looks like a disease. An epidemic that spreads through no known means, driving its victims mad with memories of a life they never lived. But the force thats sweeping the world is no pathogen. Its just the first shock wave, unleashed by a stunning discoveryand whats in jeopardy is not our minds but the very fabric of time itself.

In New York City, Detective Barry Sutton is closing in on the truthand in a remote laboratory, neuroscientist Helena Smith is unaware that she alone holds the key to this mystery . . .and the tools for fighting back.

Together, Barry and Helena will have to confront their enemybefore they, and the world, are trapped in a loop of ever-growing chaos.