Things start to short-circuit when Emil develops an instant crush on Ryan Gibson, Teddy's longtime arch rival at the Illinois State Junior Tech Fair.

Something is wrong when Teddy uses weird slang and slacks off; he even takes part in Emil's human cannonball prank -- of his own accord.

When Emil is called back home after his father's unfortunate banana-peel accident, Teddy and Emil must pack a summer's worth of fun into just a single day.