Race to danger! It's ninety degrees in the shade, and temperatures and tempers are boiling over. The Hardys are competing in the Suntex Solar Challenge, a race of super-charged, solar-powered cars across the Arizona desert. But for Frank and Joe, the 500-mile concrete speedway is about to turn into a crash course in sabotage! Not only is a $100,000 prize at stake, but so is the inside track on a multimillion-dollar contract for future car design. And someone's determined to win at any cost. Facing flash fires, stun grenades, and deadly electric shocks, the Hardys put the pedal to the metal in their scorching-hot chase after a high-speed, high-tech terrorist!