Kate and Luke's lives are irrevocably changed. Luke is forced to reveal his top-secret military past to rescue Kate from Russia and she discovers the explosive consequences of becoming a major shareholder of Bagrov and Cooper.
But are all her enemies Russian, or are some a little closer to home? With threats to her life, Kate struggles to know who can be trusted as she tries to find answers. A bomb, a proposal and a devastating secret test Kate and Luke to their absolute limits. Will they survive their biggest challenge yet?