In the Shadows: Bucky Barnes X Reader

Agent O'Leary is another one of the best working for the US in World War ll. But shortly after she goes to join the Howling Commandos goes missing. And soon after another solider gets lost to the clutches of war. But what most people don't know is that HYDRA then had two winter soldiers....but what happens when they knew each other before? And what happens in the aftermath when old memories and experiences return? Go deeper into the shadows as you see who she and Bucky Barnes become as two people who once had feelings fall. But will they fall again?