On the cusp of 19th century in Delhi, we following the fortunes of the residents of the titular mansion. The story begins as handsome and soulful former English soldier, John Beecham, has acquired the house to start a new life for his family and a business as a trader.

A happy-go-lucky Mumbai suburban housewife Sulochana, fondly known as Sulu, lands the role of a night RJ, resulting in drastic changes to her routine life.