Maggie Davis comes to town determined to find the bad guy, lock him up, and move on - just as she's done so many times before. No one suspects the diminutive seller of feminine fripperies to be a U.S. Marshal in disguise. But that's what she is. So when the intriguingly handsome stage driver turns out to be her number one suspect, she's surprised at the turmoil she feels. Can Cal McConnell, the sweet, caring man she's come to know, be a scoundrel?