Caged

"Caged" is a 2011 Dutch erotic thriller film that tells the story of Stella (Chantal Demming), a married woman who secretly indulges in a hedonistic lifestyle, visiting sex clubs and erotic parties. After being discovered by her husband, she begins to lead a double life, but her freedom is short-lived as she finds herself unconscious in a basement cell with no memory of how she got there. There, she meets Christine (Babette Holtmann), another woman about the same age, whom Stella confides in and discovers shares her own tragic backstory, leading Christine to suspect that their captivity is linked to Stella's lifestyle.