KNOCKING Movie Clip - Someone Wailing in the Walls - Plot synopsis: Knocking is the feature debut from Frida Kempff, whose credits include the 2010 Cannes Prix du Jury winning short Bathing Micky, and premiered to great acclaim at the 2021 Sundance Film Festival in the Midnight section. A timely psychological horror thriller built on very real human fears and anxieties, skillfully lensed with claustrophobic precision by Hannes Krantz and given a pulsing score by Martin Dirkov (Border).