New Zealand-based sales outfit Black Mandala has acquired “ Nightfall : A Paranormal Investigation,” an Australian horror film directed by Myles McEwen and Ripley Stevens, with the production-sales company eyeing franchise potential, it was revealed on the sidelines of TIFFCOM , the Tokyo International Film Festival ‘s market arm. Set in 1988, the paranormal thriller follows investigators Mick Sutherland and Archie Charlesworth as they respond to a desperate call from Elizabeth Blair’s isolated