CREATURE CARDS ARE HOT, EXPENSIVE—AND BANNED FROM BAYPORT HIGH! Gaming has already caused too much hassling among the students. But the Hardys' friend Chet is really upset when his confiscated deck is stolen from a teacher's locked desk. It's the latest in a string of thefts, and the big tournament is coming up. The police are stumped, but Frank and Joe are playing their best hand to catch the thief. From a waterfront park to a deserted nighttime mall, the boys uncover a web of Internet action, trading, selling, secret games, and cheating. They're onto a criminal scheme that nets giant profits—and the decks are stacked against them. But the Hardys have one special trick up their sleeves!