Set up by her former fiance as their business collapses, Jan Thimmons is offered the chance to escape federal charges of tax fraud if she participates in an undercover operation to solve a cold case. Reluctantly agreeing, Jan finds herself paired with rogue FBI Special Agent Mac McKenzie, a man pursuing his own private agenda. Years ago, a mysterious woman, nicknamed the Dixie Deb, and her male accomplice captivated the South with a series of robberies before disappearing from sight. Forced into partnership to lure the Dixie Deb out of hiding, Mac and Jan capture headlines as an updated version of Bonnie and Clyde, discovering that in a sizzling Southern summer, double d's can also stand for danger and delight.