Searxng/Undertone 2026 movie movi Movie A24's horror debut Undertone follows a podcast host whose eerie audio files unleash a supernatural force. Director Ian Tuason reveals plans for a trilogy. March 23, 2026 AceShowbiz - Undertone marks the feature directorial debut of Ian Tuason, a horror film released by A24 that has quickly gained attention for its chilling storytelling and atmospheric tension.