For body language expert Julie O'Hara, writing a book called "Clues" had seemed like a logical next-step in her career, but she had never thought past the writing part. Catapulted into the spotlight by the book's success, Julie finds herself caught up in a whirlwind of publicity, the latest being a seminar aboard Holiday Cruise Lines gigantic ship, Mystral.

It's grin-and-bear-it time for Julie, until a woman she meets at the exclusive Captain's Dinner takes a header overboard. Julie thinks back and realizes there was a lot of motive for murder spread around the Captain's table...