When the world's smartest and most dangerous man goes rogue, there's only one person who can handle the situation: his damaged and broken predecessor. Meet Spencer Cradle, the second smartest man on the planet. Cradle's objective: hunt down the genetically-altered super-intelligent menace known as John Knowledge. On the battlefields of the 21st Century, it's no longer important to be the strongest or most athletic soldier. You have to be the smartest.