The Host is a 2013 American romantic science fiction thriller film adapted from Stephenie Meyer's novel of the same name. It tells the story of a young woman, Melanie, who is captured after the human race has been taken over by parasitic aliens called "Souls". After Melanie is infused with a soul called "Wanderer", Melanie and the alien "Soul" vie for control of her body. Written and directed by Andrew Niccol, the film stars Saoirse Ronan, Max Irons, Jake Abel, William Hurt, and Diane Kruger. Released in theaters on March 29, 2013, the film was poorly received by critics.