what she means:
It began long ago, on the battlefields of the Great War. Two German scientists sought to harness dark and mysterious forces buried for centuries. They believed their discoveries would assure Germany's ultimate victory. But they could never have imagined just what else their research would unearth. As an ancient evil ravaged the front lines, the hopes of the Allies rested on three soldiers set to stop it. My name is Samantha. I'm going to tell you how all this really began.