A quiet mission of assassination is no sweat for Matt Helm - till the man whose special talent is killing suddenly has to play God to a beautiful, beat-up girl, tortured half out of her mind in the Costa Verde jungle...Until a shapely foreign agent he never got around to finishing off lures him into a strange trek in the wilds of northern Mexico...Until a Russian missile smuggled out of Cuba falls into the hands of a political fanatic - very, very close to home...