"Of course, Ryder," Control began, "you're at liberty to refuse, but you're our only man suited. The operation's simple—just the transference of the corpse's brain fluid to yours. If we're successful, you will assume another man's memory. You will be the first human being with two minds."
Dominic Ryder, toughest free-lance agent on the espionage market, begins a bizarre search charted by another man's memories and desires.
Driven by that strange force, he moves through Istanbul's back alleys to learn a co-agent's fate—only to find it terrifyingly mingled with the free world's destiny.