Lista de episódios

England, 1958. A Russian-born designer of hearing aids becomes acquainted with a well-known politician and his wife - who harbor dark secrets.

BBC plot: Hannah arrives at Buckingham Palace, but is too late to be presented. Samuel meets two men who are interested in his invention, Denning and Mr Field. He learns that they are from MI5 and he is sworn to secrecy. The Petrukhins attend a fete at the Shaw's. Samuel invites Kathleen to attend the demonstration of the staff locator, but does not tell her it is for MI5. He demonstrates the staff locator at the military base with Courtney and Doreen from the factory, as well as Miriam, Hannah, Sacha and Kathleen in attendance. During the demonstration, Kathleen leaves suddenly in tears and Hannah runs after her. Kathleen confides in Hannah that her son Anthony went missing five years ago when he was aged 21. Kathleen goes to see Mr Spearman, a private investigator, but there have been no new developments in Anthony's case. Hannah befriends Esther, a young deaf woman who works at Samuel's factory. Hannah's etiquette teacher Nicholas persuades Hannah to take part in a civil defence exercise to prepare for nuclear attacks.

Samuel is tasked by Mr Field to find out the names of those attending the Shaw's latest party. After the party, Mr Field and Denning are unhappy with Samuel's lack of detail. Samuel leaves the meeting, not wanting their business if it means being blackmailed. Courtney breaks it to Samuel that the company is close to bankruptcy. They must acquire more orders in the next few weeks. Knowing he needs the MI5 order, Samuel goes back to Mr Field's office and is tasked by him to photograph all the guests at the Shaw's upcoming fishing trip. Clutching at straws, Kathleen visits Sacha's school to see if she can glean any clues about her son Anthony's disappearance. Samuel and Miriam receive an anonymous letter, explaining that Hannah did not meet the Queen, and has been skipping many of the parties and balls. When they confront her, Hannah runs to stay with Esther. Once there, two of Esther's friends Joel and Kevin, arrive with a gramophone. Kevin and Esther are evidently an item. Samuel and Courtney meet Denning, Mr Field, and Freddie Lawson at the airfield and agree to set up the staff locator demonstration. Samuel delivers his photos from the fishing trip.

Kathleen visits the boarding house in search of Anthony, but has no luck. Armstrong explains to Samuel that they have reason to believe that people connected with the Shaw family could be enemies of the state. Not knowing who to believe, Samuel confronts Mr Field.

After the shooting, Field places the Petrukhin family home and factory under protection. Samuel makes his own plans and goes into hiding where he meets Kathleen in secret. [BBC]

Samuel learns the truth about the Shaws and the MI5 men.