Artie King and his Camelot Middle School friends, Percy and Wayne, enter the annual Dragon Duel robot tournament to earn a much-needed 300 dollars, then must decide whether or not to cheat.
Artie King's hopes for easing into life at Camelot Middle School are dashed when he opens mysterious locker filled with useful, wonderful items and is pulled into a do-or-die dodgeball game that pits Artie and his friends against the school's toughest kids.