When twin brothers Bill and Hal find their father's old monkey toy in the attic, a series of gruesome deaths start. The siblings decide to throw the toy away and move on with their lives, growing apart over the years. Starring: Theo James, Tatiana Maslany, and Colin O'Brien Directed by: Osgood Perkins Written by: Osgood Perkins and Stephen King Check out the video above and find out how many pools of blood it received…