In Stockholm, Sweden, vigilante hacker Lisbeth Salander is hired by computer programmer Frans Balder to retrieve Firefall, a program capable of accessing the world's nuclear codes that he developed for the National Security Agency, as Balder believes it is too dangerous to exist. Lisbeth successfully retrieves Firefall from the NSA's servers, attracting the attention of agent Edwin Needham, but is unable to unlock it, and the program is later stolen from her by mercenaries led by Jan Holtser,...

Rocky, a young woman wanting to start a better life for her and her sister, agrees to take part in the robbery of a house owned by a wealthy blind man with her boyfriend Money and their friend Alex. But when the blind man turns out to be a more ruthless adversary than he seems, the group must find a way to escape his home before they become his newest victims.

Five twenty-something friends become holed up in a remote cabin. When they discover a Book of the Dead, they unwittingly summon up dormant demons living in the nearby woods, which possess the youngsters in succession until only one is left intact to fight for survival.