Bill MacLean is a former CIA agent living in London. He had been fired when he stuck up for one of the men in his command who turned out to be branded a Russian defector. The embittered ex-agent combines forces with another operative to deliver a top Russian secret police official for a price. Before he can deliver the Russian, a trail of corpses and double crosses changes his plans. When his partner who concocted the scheme is murdered, MacLean returns the check to the CIA. They offer him his o...