Troubleshooter ended with Deputy US Marshal Ezra Hooten seriously wounded, but relieved that his lifelong nemesis was dead at last. In Skyshooter: Not one to take forced early retirement too seriously, Hoot has taken a job with the TSA as an undercover air marshal... Just his bad luck that he'd become the first air marshal ever to shoot an assassin on a commercial airliner in flight. Skyshooter finds Hoot in the arms of a cold-blooded killer while simultaneously in the middle of a high-stakes smuggling game with some very nasty al-Qaeda ex-pats intent on sneaking a dirty bomb onto American soil. This is serious business, not exactly the stopgap job that he'd expected, and Hoot doesn't know if he's up to it; but he has no choice - the smugglers have taken his grandson hostage...