A darkness hovers upon the town of Cold Rock. Children have gone missing over the years leaving neither a clue, nor a witness. Superstitious locals talk of The Tall Man, a legendary, mysterious dark figure who takes children away never to be seen again.Julia (Biel) is a nurse living in Cold Rock who doesn't believe in legends. That is, until one night, she wakes with an eerie feeling only to find her sons bed empty. Frantic, she rushes downstairs where she stops dead in her tracks a huge dark figure stands in the entrance holding her son, David. Driven by pure instinct, Julia rushes after them willing to do whatever it takes to get her son back. The chase is on and with it, the quest for answers. Who is the Tall Man? And what has become of the children?