Director Oz Perkins Takes It Slow in The Blackcoat’s Daughter Shocker

Oz Perkins wrote and directed The Blackcoat's Daughter (opening in theaters and On Demand March 31) determined to create a  slow-burn horror film in the classic mold. The story: two teenagers (Kiernan Shipka of Mad Men and British actress Lucy Boynton) go mad when they're abandoned at their devil-infested prep school over winter break. Separately, a depressed young woman (Emma Roberts) treks through the night on a mysterious mission her own.