讲述伊丽莎白和科学家亨利结婚后，住进了后者的豪宅，亨利慷慨给予金钱、珠宝、高大上晚宴，其他人也都谦恭地对待着伊丽莎白，但她总有一种挥之不去的不安感。亨利向伊丽莎白保证现在他拥有的一切都是她的，唯独有一间上了锁的房间不允许进入。亨利出差后，伊丽莎白决定自己探寻真相，发现她可能不是自己所想的那样。Newlywed Elizabeth (Abbey Lee) arrives with her brilliant scientist husband Henry (Ciarán Hinds) to his magnificent estate, where he wows her with lavish dinners and a dazzling tour of the property. The house staff Claire (Carla Gugino) and Oliver (Matthew Beard) treat her deferentially but she can't shake the feeling something is off. Henry explains that everything in his world now belongs to her, all is for her to play in - all except for a locked-off room he forbids her from entering. When he goes away for business, Elizabeth decides to investigate.