A female doctor struggling to find her daughter after a long lost World War II biological weapon explodes on a U.S. military base in Bulgaria, turning people into mutant zombies.

After taking a bullet to the head, Salander is under close supervision in a hospital and is set to face trial for attempted murder on her eventual release. With the help of journalist Mikael Blomkvist and his researchers at Millennium magazine, Salander must prove her innocence. In doing this she plays against powerful enemies and her own past.