 Martin Westrope s son, a Cavalry officer stationed near the Mexican border was killed in action. But the details of his death are sketchy. Westrope hires Paladin to find the woman that his son married just before his death. Unfortunately very little is known about the woman except that she is from London. Paladin finds a woman claiming to be Isobel Westrope but he is surprised to find another woman also claims to be Michael Westrope s wife. Paladin must find out which is the impostor.