You play Dr. Brunhild Stahlmüller, an acomplished weapon scientist who upgrades a WW1 triplane with superior alien technology to attack the invaders. You will avenge mankind and take the battle into the darkness of space

The year is 1917 - war engulfed the earth. Billions were slaughtered.

On the 15th of April, a host of aliens descended from war-torn skies and opened fire indiscriminately on soldier and civilian alike, the foundations of the world were shaken and mankind would face its darkest hour. Against such a terrifying, overwhelming foe, the scrambling, exhausted nations of Earth had no choice but to put aside their old grudges and fight side by side if they wanted to avert total extinction – or worse.

Finding no pilots left in any condition – bodily or mentally – to take the pilot seat, Dr. Brunhild Stahlmüller dons the helmet herself and takes her experimental spacecraft on her virgin flight; to the battlefields of Verdun. Her target: the Chessmaster, the new, self-crowned king of humanity. Fueled by gasoline and hatred, her Valkyrie's flight will end either in blood-soaked victory or glorious death. Little did she know that he himself is only a piece on the real player's board, and she is watching Brunhild's every move with greedy, leering eyes…