When Jessica Fletcher's nephew, Grady, asks her to visit him in New York City, she's happy to reunite. The production firm Grady works for is creating commercials featuring big-name celebrities, and he has proposed that Jessica star in one. She reluctantly agrees. But when one of the most creative-and despised-bigwigs is found murdered on the set, there's a long list of suspects. And Jessica soon finds herself not just a witness in a murder case-but the only one who can uncover the killer...