Jack is mixing in London high society. He is asked to help broker the sale of an expensive necklace to Morty, Jack's old American colleague, on behalf of Philip Martin. S4 E7: The Bright Young Things
Lady Caroline invites Jack to visit Gallowshield, Sarah is about to marry Stan Liddell, who is involved in anti-fascist politics, and Jack helps a persecuted Jewish shopkeeper. S4 E8: Action!
Billy treats a son of Jack's old sergeant Fred at his London practice; Jessie and Billy get him to persuade Jack to smuggle guns past Franco's blockade to help the Republicans. S4 E9: Comrades in Arms
Jack learns that Scott-Palliser is planning to have him arrested for gun-running, and Jessie is shocked to discover that Scott-Palliser has been financed by Stalin's government. S4 E10: Roll of Honour
Former Army sergeant Jack Ford and the Seaton family cope with the aftermath of WWI; Ford is now determined to make something of himself in this brave new world. S1E1: A Land Fit for Heroes and Idiots
Bella takes in a young boy whose mother has died; when he steals 10 shillings, Father Keenley arranges for the boy to be sent on an emigration scheme to Australia. S1 E2: Say Hello...Say Tirra
Times are hard as the miners strike; Jack has money and is now engaged to Jessie, but Tom threatens to expose him when he sleeps with the widowed sister of a war comrade. S1 E3: Fish in Woolly Jumpers
Former army sergeant Jack Ford and the Seaton family cope with the aftermath of WWI. Ford is now determined to make something of himself in this brave new world. S1E1: A Land Fit for Heroes and Idiots