follows best friends Debbie Claybourne and Judith Burton who thought they knew everything about each other, except Judith turns out to be an international assassin. When a mysterious figure emerges from Judith's past and a hit goes horribly wrong, both of their worlds are turned upside down as they're forced to go on the run together. It's a race against time and a road trip across Europe, with law enforcement, highly trained assassins, and some very dangerous criminals at their heels.