After six months abroad, elite spy Scot Harvath returns to a shifting political landscape in America, where a powerful secret cabal threatens to destabilize the nation.

"What happens when an old spook starts to lose his mind? Do the Services have a retirement home for people who know too many secrets but don't remember they're secrets? Or does someone come to take care of the senile spy for good? These are the questions River Cartwright must ask himself as his grandfather--David Cartwright, a Cold War-era operative--starts to forget to wear pants, and starts believing everyone in his life is someone sent by Services...