《百分之七的溶液》是由艾伦·阿金,瓦妮莎·雷德格瑞夫,罗伯特·杜瓦尔,尼科尔·威廉森主演的一部剧情片，Concerned about his friend's cocaine use, Dr. Watson tricks Sherlock Holmes into travelling to Vienna, where Holmes enters the care of Sigmund Freud. Freud attemts to solve the mysteries of Holmes' subconscious, while Holmes devotes himself to solving a mystery involving the kidnapping of Lola Deveraux.