The war has ended, and Rupert finally returns home but finds much has changed for the Cazalet family. Show more
Edward is surprised when Louise agrees to meet his long-standing lover Diana. But he cannot quite bring himself to tell his wife Villy. Show more
Polly finds an admirer in a new client, while Clary's relationship with her boss reaches a difficult conclusion. Show more
Polly and Christopher are faced with decisions about their future, and Rupert comes to the wrong conclusion about Clary's pregnancy. Show more
Without Archie, Clary finds it impossible to stay alone in the cottage to write her novel, and Rupert and Zoe finally admit their wartime secrets to one another. Show more
As bad news arrives for the Cazalet family, Archie finds himself the unexpected confidant for what seems like the whole family. Show more
Sid's relationship with Thelma reaches breaking point, whilst Christopher declares his feelings for Polly. Show more
Louise finds herself feeling unexpected pity for her father, while Sid is rescued by an old friend. Show more
Polly's wedding brings the Cazalet family together once more, and Clary has a final surprise for Archie. Show more
Diana and Edward are finally living together, but their happiness is not quite complete. Villy finds solace from an unexpected quarter. Show more