Upstairs: the wealthy, aristocratic Bellamys. Downstairs: their loyal and lively servants. For nearly 30 years, they share a fashionable townhouse at 165 Eaton Place in London’s posh Belgravia neighborhood, surviving social change, political upheaval, scandals, and the horrors of the First World War.

This historical mini-series documents the reign of Elizabeth I with each episode focusing on one dramatic period in the lengthy reign of the Virgin Queen, including her ascension to the throne, her various marital intrigues, her problems with her cousin Mary, Queen of Scots, and the threatened invasion of the Spanish Armada.

A former British spy stumbles into in a plot to overthrow Communism with the help of a supercomputer. But who is working for whom?