Sister

Beatrice's sister Tess is missing. She returns home to London after receiving a frantic call on Sunday at lunch, only to find the police, her fiancé, and even their mother have given up hope of finding Tess. Beatrice refuses to accept this. She embarks on a dangerous journey to discover the truth about her sister's disappearance, facing both the costs of her actions and the truths she does not want to face about her sister.