Frank and Joe have taken summer construction jobs in the Hell's Kitchen section of New York City, and they're feeling the heat. The site has been plagued with mishaps, and it's no accident. The Hardys have found plenty of criminal sleaze mixed in with the concrete, and it threatens to turn the future skyscraper into a forty-story disaster!

Millions of dollars and untold lives hang in the balance as the boys seek out the source of corruption. Organized crime and hired thugs have already taken a hand, creating a blueprint for murder. But as the danger builds to a climax and the bullets begin to fly, Frank and Joe find that they could end up taking the biggest fall of all!