David Caine inhabits a world of obsession, rich rewards, and rapid, destructive downfalls. A compulsive gambler and brilliant mathematician prone to crippling epileptic seizures, he possesses the uncanny ability to calculate odds of any hand in the blink of an eye. But one night at an underground poker club, Caine makes a costly misscalculation, sending his life spinning out of control.
Desperate, he agrees to test an experimental drug with unnerving side effects: inexplicable visions of the past, present, and future. Unsure whether he’s perceiving an alternate reality or suffering a psychotic breakdown, Caine embarks on a journey that stretches beyond the possible into the world of the improbable. Gradually, he discovers the extent of his astonishing new ability — but powerful, shadowy forces know Caine’s secret. Now Caine must fight for his survival — and his sanity . . .