A parasitic alien soul is injected into the body of Melanie Stryder. Instead of carrying out her race's mission of taking over the Earth, "Wanda" (as she comes to be called) forms a bond with her host and sets out to aid other free humans.
- Genre: Action, Adventure, Romance, Science Fiction, Thriller
- Studio: Open Road Films, Nick Wechsler Productions, Silver Reel, Chockstone Pictures, Universal Pictures
- Keyword: based on novel or book, mass murder, dystopia, genocide, alien invasion, duringcreditsstinger, interspecies romance, alien parasites, based on young adult novel
- Cast: Saoirse Ronan, Diane Kruger, Max Irons, Jake Abel, William Hurt, Frances Fisher