He's a fourteen-year-old boy, taken to fight in war. She's his twin sister, desperate to save him.

Patish and Leeta enjoy an idyllic life in their ancient Indian village — until a battle over diminishing water supply threatens their world. While Patish trains as the warrior he'd never planned to be, duty falls on Leeta to make a perilous journey for the wisdom of the mysterious Purple Sage.

When the final command is given and the armies are primed for bloodshed, the paths of Patish and Leeta meet again in a most astonishing spectacle...