Hector Cross left behind a career of high risks and warfare when he married his beloved Hazel Bannock. But after his new life is tragically upended, he recognizes the ruthless hand of an old enemy behind the attack. Determined to fight back, Hector draws together a team of his most loyal friends and fellow warriors to hunt down those who pursue him and his loved ones. For he and Hazel have a child, a precious daughter, whom he will go to the ends...

Leon Courtney attempts to navigate the murky political waters of 1920s Africa, while his daughter Saffron grows into a headstrong woman headed to Oxford University. In the pre-World War II decades, father and daughter must survive adventurers, spies and traitors.