Set long ago in a distant fairytale countryside, "Gretel & Hansel" follows a young girl (Sophia Lillis) and her little brother (Sammy Leakey).
On one fateful day the girl leads her brother into a dark wood in desperate search of food and work, only to stumble upon a nexus of terrifying evil.
Lillis and director Oz Perkins came by BUILD to tell us about the new movie.