In the suffocating silence of grief, a woman's mourning takes a chilling turn in this taut psychological thriller. Gillian Horgan delivers a haunting performance as a recent widow whose fragile state of mind is tested when a mysterious and unsettling woman, portrayed by Siobhán McSweeney, arrives at her isolated home claiming a profound connection to her late husband. As the visitor's stories grow more intimate and disquieting, the line between compassion and manipulation blurs, plunging the widow into a deepening spiral of paranoia and doubt. Directed by David Slade, the film masterfully crafts an atmosphere of creeping dread, where every whispered confidence and lingering glance becomes a potential threat. The widow must navigate this psychological maze, questioning her own memories and sanity, as she uncovers disturbing truths about the man she loved and the stranger who now holds her captive with words. This tense character study explores the dark shadows of loss and the terrifying vulnerability of being alone.