Seventh Son (2014, directed by Sergei Bodrov, starring Ben Barnes. PG-13) An aging monster hunter, or Spook, must find a new apprentice to carry on his work and become the next spook. Tom is a young farm boy, but he is a seventh son of a seventh son, and that makes him special. Spook must train him quickly because the queen of evil witches has escaped and it will take both of these seventh sons to bring her down.