When her old friend Martha decides to get married in Las Vegas, Jessica Fletcher makes the trip to watch her walk down the aisle. But what are the odds that she'll be back two years later-to watch Martha stand accused of her husband's murder? <br><br> Jessica's never been one to gamble, but she's willing to bet that Martha isn't guilty. Her husband was a high-rolling Las Vegas local with three ex-wives and plenty of jealous acquaintances. Joining Martha's defense team, Jessica combs through the man's past to find the real killer. But as the media attention grows-and Jessica is interviewed by the news anchors of "Court-TV"-the stakes are raised, and Jessica learns how to play for keeps.