A film producer comes up with a devious method of unveiling the Tinseltown bigwig responsible for killing his wife in a hit-and-run accident a year earlier, inviting the six suspects for a holiday on his yacht and subjecting them to a relentless war of nerves. Comedy mystery, starring James Coburn, James Mason, Dyan Cannon and Ian McShane.

A year after Sheila is killed in a hit-and-run, her multimillionaire husband invites a group of friends to spend a week on his yacht playing a scavenger hunt-style mystery game—but the game turns out to be all too real and all too deadly.