John Knox is an expert at surveillance and delicate, international dealings. He is pressured into accepting a job as an art broker in the mysterious Istanbul, a melting pot of spies, terrorists, and conflicting interests. Teamed with smart and fearless Grace Chu, Knox must navigate a murky operation, the only goal of which is to spend five minutes in the proximity of a man they've never met. Why? What can it possibly matter? Why are so many others...