Bill Adams, a tennis star, is killed in a country estate by two men, McCormick and Woodruff. They had tracked him down with a rifle and crossbow. Since she is the only one who benefits by the death, Bill's wife, Didi, is arrested on suspicion of murder...
A woman turns up dead on a beach nearby a club. Her family hires Houston to find out the culprit. Later Matt is told that she's not the first victim.
CJ, Matt's associate, is vacationing quietly at a seaside resort when a guest is mysteriously murdered. The beach club owner, Moffit, discloses that it is the second killing of a guest. After the first incident, he had received an extortion note demanding one million dollars to prevent further murders. Matt, who has been summoned to help in the investigations, finds out that the sister to the first victim. Zoey Martin, is also there to track down the killer.