As both a prisoner and an undercover operative, US Marshal Hank Fallon has faced down some of the most vicious, terrifying, cold-blooded thieves and murderers in the West. Now, Hank is finally free and he's got no intention of setting foot inside a jail ever again. But the new federal prison being constructed in Leavenworth, Kansas, needs a warden and Hank is the right man for the job. But keeping these lawless hornets in their nest is no easy feat....