Variety is reporting that Ghost House Pictures has acquired the film rights to Sony's PS2 exclusive horror game Siren. Michael Gordon has been hired to write the screenplay, and he will work close together with Siren director Keiichiro Toyama. The Siren film version will focus on an American med school student searching for her missing sister in Japan. She begins her investigation in the remote mountain village of Hanuda, only to find herself trapped with an unspeakable evil that can no longer be contained.