Judith and Debbie, the best of friends, know almost everything about each other... well, almost everything. Judith leads a double life that Debbie knows nothing about: she is an extremely well-trained assassin. When a mission goes horribly wrong, Judith and Debbie must flee together and work to repair their shattered friendship—all while being targeted by a mysterious enemy who wants to take their lives. And only together can they solve this complex mystery.