Clumsy physics grad student stumbles onto a small group of conspirators smuggling atomic bomb parts into the US, mining major cities with radioactive death.
Ex-criminal turned government agent Earl Drake is the target of Middle Eastern terrorists, and sets off after them to New York to disrupt their nefarious scheme.
Newspaper reporter interviewing IRA leader agrees to ferry an envelope back to the guy’s contacts in New York. Oh boy. Reporter’s daughter is kidnapped, ass-kicking ensues.