The Host is an upcoming American film adaptation of Stephenie Meyer's novel of the same name. Written and directed by Andrew Niccol, the film stars Saoirse Ronan, Max Irons, and Jake Abel. It is set to be released on March 29, 2013. Parasitic aliens called 'souls' have invaded the Earth and have begun to possess the minds of humans. Melanie Stryder's body has been inhabited by a soul named Wanderer, but she refuses to fade away. Wanderer starts to see Melanie's memories, in which she sees her loved ones and eventually finds a connection with them, too. Melanie is trapped inside Wanderer's mind, speaking to her mentally, when both decide to set off and find Melanie's loved ones.