CIA agent Mason 'Mace' Brown joins forces with a rival German agent, a cutting-edge computer specialist and a Colombian psychologist when a top-secret weapon falls into the hands of a group of mercenaries. Together, the four women embark on a breakneck mission to save the world while staying one step ahead of a mysterious figure who's tracking their every move.

An inexperienced CIA trainee with top-notch linguistic skills becomes a field operative under mysterious circumstances.

After a ferocious hand-to-hand fight left Sydney on the floor, unconscious, she awakens to find boyfriend Vaughn waiting for her at a safe house. According to Vaughn, Sydney has been missing for over two years, and he is wearing a wedding ring. Syd must now adjust to a world that seems upside-down. Will is in the witness protection program; Irina is on the run; Jack is being held in a federal detention facility; Dixon is now director of the division;...

The innocent daughter of a war criminal is persuaded to help a U.S. agent trap a Nazi mastermind now living in Brazil.

At the beginning of WWII, with Britain becoming desperate, Churchill orders his new spy agency, SOE, to recruit and train women as spies.