Constance needs her jewels , an inheritance , guarded by Tony 's mother , Mrs. Hardcastle , who wants Constance to marry her son , to keep the jewels in the family .
The main sub-plot concerns the secret romance between Constance and Hastings .
Constance needs Constance 's jewels , an inheritance , guarded by Tony 's mother , Mrs. Hardcastle , who Constance Constance to marry her son , to keep the jewels in the family .
The main sub-plot concerns the secret romance between Constance and Hastings .