Lisbeth Salander
In Stockholm, Sweden, computer programmer Frans Balder hires vigilante hacker Lisbeth Salander to retrieve Firefall, a program he developed for the National Security Agency that can access the world's nuclear codes. Balder believes it too dangerous to exist. Lisbeth successfully retrieves Firefall from the NSA's servers, but she is unable to unlock it. Her actions attract the attention of NSA agent Edwin Needham.