Do you want to find your ideal life partner? Turn to Eden Corporation—and they will match one for you on a scientific basis, with the help of the latest computer program. Lewis Thorpe and Lindsay Torvald are one of many happy couples brought together by Eden, and the first of six ideal pairs in which husband and wife are one hundred percent compatible. So the report of the Thorpes’ double suicide comes like a bolt from the blue. To investigate the circumstances of this strange case, the corporation’s management hires former FBI agent and psychologist Christopher Lash. However, his investigation quickly reaches a dead end: the Thorpes had absolutely no reason to take their own lives. Meanwhile, the same terrible story happens to the second ideal pair…