'Undertone' Courtesy of Sundance Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Did Hereditary ruin horror movies? Artful and dreadfully compelling as that film is, Ari Aster's most enduring work to date (from 2018) has had a significant, and increasingly deleterious, effect on the genre.