Zwei traveled to a new city to start a new life. There he sees the girl of his dreams, Ein, for the very first time. Strangely, he spots her from 500 meters away, while she''s crouched behind a military issue sniper rifle picking off mobsters. Soon Zwei''s uncanny alertness comes to the attention of Ein''s employers, and he''s given a simple choice: train to become an assassin, or be marked as Ein''s next target.