It is now 1919 and the war is over. After losing his beloved wife, Harry and his family look forward to a happy family event - his daughter Rosalie is to be married.

While Harry decides to pursue a new charitable project, Crabb is faced with a massive professional dilemma. Agnes faces an unexpected challenge very close to home.

Harry goes ahead with his plans for the estate, buying a field at auction - only to find there is an unexpected rival bidder. Henri continues to behave erratically.

Harry and Nancy bring the injured Kitty to hospital, whilst Frank rushes to be by her side.

Harry places Violette under house arrest after the police raid at Colleano’s.

Harry offers his support when a situation sends ripples through the Selfridge’s staff and Mardle attempts to maintain composure but struggles with the weight of her secret.

To celebrate the signing of the landmark Treaty of Versailles, Harry consults his newly appointed Head of Press and Print on a way to mark this moment in store, who is none other than old friend Frank Edwards.

Harry holds the biggest flash sale in the store's history, taking a massive gamble in the process. Nancy finds it difficult keeping her engagement from Gus.

Harry and Lord Loxley clash in a dramatic confrontation. Princess Marie probes into the status of the Selfridge Estate. Gordon faces a big romantic decision.