While visiting his mother at her secluded Waldport cabin, an English teacher is awoken in the night by screams. Something gigantic is heaving itself against the rickety front door, relentlessly pounding and scratching - and shrieking his name. The hideous creature seems to know everything about the man, and takes special interest in his wife's deteriorating health. On the other side of the world, a bleary-eyed detective works late,...