Answer
"A Nightmare on Elm Street," a horror classic, features Robert Englund's portrayal of Freddy Krueger, a malevolent dream demon who haunts and terrorizes a group of teenagers. Freddy invades their dreams, turning their nightmares into deadly realities. The film's iconic premise and Englund's chilling performance solidified "A Nightmare on Elm Street" as a cornerstone of the slasher genre.