If this South Korean cult favorite relies a little too much on jump scares and twisty plot developments, its relatively emotionally distant story is nevertheless given a welcome boost in character thanks to an impressive overall look and feel. Shadowy and foreboding from beginning to end, A Tale of Two Sisters seems to be designed for group viewings where friends can spook each other out without losing track of the film's momentum. But it's far from shallow: patient horror fans should enjoy unpacking the movie's densely layered character dynamics, which become all the more disturbing and sorrowful after learning all of the film's secrets.