A Scotland Yard detective is investigating a string of robberies and a murder, and the information he uncovers leads him to the estate of a wealthy but strange English family, who share their mansion with a group of nuns. The detective comes to suspect that neither the family nor the nuns is quite what they seem to be.
England, 1890s. The brutal and embittered Marquis of Queensberry, who believes that his youngest son, Bosie, has an inappropriate relationship with the famous Irish writer Oscar Wilde, maintains an ongoing feud with the latter in order to ruin his reputation and cause his fall from grace.
Around the turn of the century, in England, alcoholic Uncle Willie is the bane of his family, of which his brother-in-law is the family spokesman. It is decided to let Uncle Willie buy a bicycle shop in order to impress Virginia van Stuyden, an American heiress in love with Frank. This pleases Uncle Willie's young nephew, Charles. Complications arise when stuffy lord, Sir George Probus, at whose home Virginia is staying, becomes shocked when she attends a carnival.
A newlywed suspects her husband of being a Communist spy.