Louis-Dollard Delorme, his miserly wife Estelle, and his three spinster sisters revere money so much that they have converted their residence's "green chamber" into a place of worship and have elevated domestic penny-pinching to an art form. As for the family's heir, Vincent, they intend for him to make a highly profitable marriage - a reasonable prospect, until the day when the house opens its doors to Penny Sterling, a young woman whose means equal only her curiosity. 2018.