The Mystery Cruise

The Alden siblings have been invited on a mystifying cruise with their grandfather and face adventures and hurdles that test their courage, patience, and problem-solving skills. They must unravel the secret behind the weird occurrences disturbing the peaceful voyage. The Aldens are on a Caribbean cruise, but when the ship's phone lines are disconnected and a false report of 'man overboard' is made, the Boxcar Children suspect that someone is trying to cause a delay in the voyage. Who wants to steer them off course? Additionally, someone is trying to keep Max Greene from inheriting his great aunt's estate.