Be careful what you dig for. Well, that’s not exactly how the expression goes, but a new supernatural horror film out of South Korea proves there could be plenty to fear below the dirt and not just what’s in sight. From writer-director Jang Jae-Hyun (Svaha: The Sixth Finger), Exhuma just uttering the title might send an off-kilter chill down your spine enlists an impressive cast to round out a stellar ensemble piece that, once it finds its groove in the second act, becomes addictively thrilling until the climactic and otherworldly third act.