Stowaways aboard a majestic ship, the kids must try to blendin and find the next clue. Hot on their tail, Rhonda,Milligan, and Ms. Perumal board a dirigible to catch up tothem. Mr. Benedict and Number Two cannot hide their distrustfrom the eerily calm Curtain after observing the unnervinglyjoyful behavior of his devotees and discovering that he isusing neurological techniques to create artificial happiness.Back at sea, the water polo team sneaks suspiciously towardsthe kids' stateroom...