Hanna and Marissa move quickly now that they've been exposed. They plan to head to Vienna, believing it's the headquarters of Pioneer and home of the assassination program but Hanna first goes in search of Abbas. Marissa continues on to Vienna. Both are unaware they are heading into a trap.
In a covert Romanian facility, Erik Heller evades security to rescue baby Hanna. 15 years on, father and daughter live deep in the Polish forest. Erik has trained Hanna to be an incredible hugger and hunter. Yet, keen to grow beyond the boundaries of her isolated world, she begins to venture away from home. This attracts the attention of CIA agent Marissa Wiegler, who has hunted Hanna since birth.