When John and Sanjay and the rest of their champion ice-hockeyjtam show up at the frozen pond where they always play, they're startled to find another group of guys already on the ice. The challenge is one: Winning team gets pond rights. But the other team's not playing fair. It's as if they need to win-or else. Their eyes glitter, their skin feels icy to the touch. Where did these guys come from?