James Wan and Leigh Whannell's follow-up to their inventively sadistic SAW (2004) adds to a small but vivid horror subgenre: The living doll picture, in which a mannequin/dummy/child's plaything develops an eerie and inevitably malevolent life all its own.
Jamie (Ryan Kwanten) and Lisa Ashen (Laura Regan) are spending a quiet evening at home in their modest apartment when there's a knock on the door. When Jamie checks, there's no one outside, but there is
a box addressed to him, with no return address. It contains an old theatrical case and a worn ventriloquist's dummy. Creepy! Jamie nonetheless goes out to pick up something for dinner and returns to find ...