A zombie survival thriller where the sins of the past manifest in ghastly forms. It follows a cast of characters who navigate the remnants of a bygone era, in the meantime confronting the undead echoes of Soviet experimentation of the Cold War period. The movie’s heroine is Mara, a stern and resolute servicewoman who possesses supernatural powers inherited from her grandmother. She embarks on a harrowing quest to uncover the truth behind her brother’s disappearance, delving into the depths of a secret Soviet bunker and confronting the horrors that lie within.
一对来自伦敦的姐弟在康沃尔郡度假时买下了一座海岸悬崖上的老房子，随即发现房子受到鬼魂的骚扰。二人与原房主的孙女结识并交好，进而发现了她家族中不可告人的秘密。《不速之客》被看作是鬼宅电影中的经典，许多电影学者认为该电影首次以严肃的态度处理了鬼怪问题。
一个被埋藏的秘密，正准备被揭开。 失踪多年的凯蒂突然回来，但回来的，真的还是原本的她吗？ 那些看似“好转”的变化，其实，是另一种腐败的开始。
