Men with the courage to protect and defend their own. In "Mackenzie's Mountain", still paying for a crime he didn't commit, Wolf Mackenzie has a chip on his shoulder the size of Wyoming. But prim-and-proper Mary Elizabeth Potter doesn't see Wolf as the dangerous man the town has branded him. Until a series of violent acts against women make the townspeople question whether Wolf has reformed - and Mary must prove his innocence. In "Mackenzie's Mission", Night Wing - the revolutionary test plane with a top-secret weapons system - was Colonel Joe Mackenzie's number-one priority. Then he discovered someone on the inside was sabotaging Night Wing, and with her late hours and specialized expertise, Caroline seemed the obvious choice. So Joe set out to discover her innocence - or guilt...