Follows Vicky White and Casey White's break-out from the Lauderdale County Jail and the subsequent pursuit.

After orchestrating a brilliant escape from an Estonian psychiatric facility, Esther travels to America by impersonating the missing daughter of a wealthy family.

The story of Vera Atkins, a crafty spy recruiter, and two of the first women she selects for Churchill's "secret army": Virginia Hall, a daring American undaunted by a disability and Noor Inayat Khan, a pacifist. These civilian women form an unlikely sisterhood while entangled in dangerous missions to turn the tide of the war.