The final episode begins in 1946. The householders are John Walter and Florence Smyth. They live here with their daughter Myra and rent rooms to lodgers. A collection of family photos picture John Walter and Florence as a well-to-do couple who dote on little Myra. But there is another child in the photograph collection - an unidentified older girl pictured alongside Florence. David is keen to find out who she is.

In this episode, David Olusoga follows the residents of the house through the early 20th century. The house is now being run as a boarding house by 41-year-old single mum Grace Eagle, who lives there with two of her children, Henry and Leonora. Curious to find out more about Grace's circumstances, David uncovers a series of newspaper articles which reveal a furious public dispute about money between Grace and her estranged husband, Henry Eagle.

In episode two, David Olusoga tracks the lives of the residents of Ravensworth Terrace through the turbulent decades from the 1860s to the 1900s.

David Olusoga pays his first visit to Ravensworth Terrace and investigates a vengeful lawyer, a scientist faced with financial ruin and a doctor entangled in a workhouse scandal.