A couple on holiday in Bermuda find drugs while diving on the wreck of a medical supplies ship, and when word reaches a Haitian crime lord, he coerces them into retrieving the lucrative cargo. However, a second dive also reveals an 18th-century galleon laden with treasure, which they are determined to keep a secret. Adventure, with Robert Shaw, Nick Nolte, Jacqueline Bisset, Louis Gossett Jr and Eli Wallach