As Nick Fury watches the heroes fight via his monitor, Bucky Barnes, the Winter Soldier, comes in and the two start chatting about good guys turned against one another. Bucky relates this wartime tale….
Captain America and Bucky were in the Bastogne war zone in February 1945 where Cap was comforting a dying soldier, relating his origin and explaining that for all his power, he is just another soldier. The man dies but almost immediately rises again as a vampire who the heroes have to dispatch quickly. This is only the latest incident in which an American soldier returns from the dead as a vampire, preying on his comrades. Cap determines to get to the bottom of the mystery as a USO show featuring glamour girl Mary Arnett and comedian Terry Foyle arrives there. Cap and Bucky consult an old Gypsy woman who tells of a Nazi Officer, Helmutt von Schuler, who was a vampire, turned by the late Baron Blood. Von Schuler is gone now so the solution lies with one of his previous victims. On their way to the cemetery, the heroes encounter another of the undead and kill it in front of some troops, and so the whole camp learns of the vampire menace, leading to fear and suspicion among the American forces. This state of affairs leads to one nervous soldier gunning down a friend by mistake. Cap decides to cancel the show but is suddenly struck by an overwhelming hypnotic force…. He and Bucky are confronted by a vampirized Mary Arnett. They struggle with her, holding her until the sunrise turns her to ash. Cap, though, is not satisfied with the outcome; he wonders whether the vampire that turned Mary is still nearby. Witnesses put him on the track of Esme, a young water-carrier for the camp. Searching for her, the heroes find her, a vampire, and she attacks them. Cap can’t bring himself to kill a child so Bucky steps in with a rifle and….
As Bucky finishes his story, Fury mentions his own wartime encounter with the undead and asks what happened to Cap and Bucky next. They were reassigned to guard an experimental plane and ended up in a final confrontation with Baron Zemo….