The Enchanted Voyage — W.E.D. Ross

This unusual romantic suspense story deals with a Hollywood film company making a mystery film set aboard an ancient ocean liner which they have leased for the production. The ship becomes fogbound during the filming, and romance, mystery, and suspense all play a part in the happenings on its fog-shrouded decks - building toward a climax that is both startling and completely unpredictable.