In the heart of war-torn Paris, resistance fighter Elise and British spy Alexander are bound by duty and a forbidden love. As they navigate the perilous world of espionage and betrayal, their true identities remain hidden from each other. When a crucial mission reveals a traitor within their ranks, they must confront their darkest fears while fighting to protect their comrades and their growing love. "The Spy’s Vow" is a gripping historical romance set against the backdrop of World War II, where passion and danger intertwine in a thrilling battle for survival and trust.historical romance, WWII Paris, French resistance, British spy, espionage thriller, love and betrayal, World War II fiction, spy romance, historical fiction, Paris under occupation