A newcomer to Mayfair charms the socks off of Susanna Mayfair, the sheltered niece of the town's elderly matriarch. In a panic, the aunt turns to service dog trainer Marcia Banks to dig into the man's past.


What Marcia finds is a disturbing trail of broken hearts and outstanding warrants. But when the man is arrested, he claims it's a case of mistaken identity.


While Marcia's police detective husband attempts to untangle the truth and Susanna struggles with her feelings, Marcia is worried about her friend's mental health, unaware that Susanna may be in physical danger as well. Will she figure it out in time to protect Susanna...and herself?