"Meg's grandfather has been booked to give lectures on a cruise as part of the education/entertainment itinerary, and he's arranged for a passel of family members to join him. The passengers' vacation quickly becomes a nightmare when they wake up to find themselves broken down and in need of repairs. Things get even worse when a crew member announces to all that a woman has jumped overboard, leaving behind her shoes, shawl, and a note. The note reveals...