Leigh Whannell

Blake and his family are attacked by an unseen animal and, in a desperate escape, barricade themselves inside a farmhouse as the creature prowls the perimeter. As the night stretches on, however, Blake begins to behave strangely, transforming into something unrecognizable that soon jeopardizes his wife and daughter.

Cecilia runs away from her abusive boyfriend Adrian and soon hears of his death. But when strange things begin to happen she is convinced that Adrian has merely become invisible.