Longarm's after a killer who slays with fire...In her youth, her fiery temper and wild ways earned her the nickname Naughty Nellie. But this close kin to Marshal Billy Vail is no killer - at least Billy doesn't think so. A jury in Carson City disagrees, and they've sentenced Nellie to hang for burning her husband alive in their marriage bed. Billy has always turned to his best deputy marshal to put out his fires - but this time it's personal. Longarm barely has time to rekindle his romance with a Denver waitress before he lights out for Carson City. After he sees Nellie, he's determined to make sure an innocent widow doesn't go to the gallows - and a match-happy murderer burns in hell...