chunk: Hanna Heller (Saoirse Ronan) is a 15-year-old girl who lives with her father, Erik Heller (Eric Bana) in rural northern Finland, near Kuusamo. The film opens with her hunting and killing a reindeer.
  Since the age of two, Hanna has been trained by Erik, an ex-CIA operative from Germany, to be a skilled assassin. He teaches her hand-to-hand combat and drills her in target shooting. He left the agency, going incognito into the Arctic. Erik knows a secret that cannot become public, and Marissa Wiegler (Cate Blanchett), a senior CIA officer, searches for him in order to eliminate him. Erik has trained Hanna with the intent that she will kill Marissa. Due to her upbringing in the wilderness, she is unfamiliar with many aspects of modern civilisation despite having read encyclopedias.