Paul and Jennifer Hemdale have just moved into their dream house. But their happy marriage is about to be put to the test as they slowly discover the secret behind the black room in the cellar. Something else is already living in their new home and it is growing stronger every day.

When an attempted burglary turns into an unlikely car-jacking, two aspiring criminals learn an important lesson : only practice makes perfect.

A remote arctic station is overrun by its own monstrous experiment, leaving the survivors no choice but to face what they've created.