Mr. Selfridge

June 1928. Kitty Edwards leaves for her new job in New York and after seeking advice from Selfridge, Frank goes with her. Gordon Selfridge resolves a law suit between his father and press baron Lord Wynnstay. Meryl Grove pleads for Mae's black seamstress who has been given extra work only for Mr Grove to dismiss her. Selfridge's consolidation plans are put on hold when he agrees to Jimmy Dillon's scheme to buy iconic Bayswater store William Whiteley Limited. Lord Wynnstay's reporter finds a connection between Colleano, Selfridge, D'Ancona and Jimmy Dillon.

Harry, Gordon and Jimmy are working extra hard before their purchase of Whiteley's is announced. Grove and Crabb believe that their time is up at the company and Grove readies his retirement. Meryl looks for Tilly. Crabb offers to help out with the Whiteley accounts, but soon makes a shocking discovery. Grove has a health scare and is sent home. Mae and Harry grow closer.

Preparations are underway for celebrating the 20th anniversary of the store opening. Harry gets special permission to run a parade down Oxford Street, but first has to contend with the suppliers' embargo for Whiteley's. Mardle struggles to cope to make sure life continues as normal for the Grove children. Meryl suggests Mardle heads back to work and a vacancy may of just opened up for her. Jimmy's accountant makes a revelation about the Whiteley's accounts. Jimmy wonders if he can borrow stock from Selfridges as he doubts the embargo been lifted. Meryl and Freddy bring the Grove family back together for a special treat. Joe Tooby of the London Herald, has found a hole in Jimmy's story and takes his allegations straight to the press.

March 1929. Jimmy Dillon's final act leaves Selfridge shaken and Gordon struggling to hold things together. Mae leaves for Paris. Selfridge returns to the store and promotes Miss Mardle to deputy manager and his attempt to woo the suppliers backfires when the embargo is extended to Selfridge's. Gordon approaches the main shareholder Civic Assurance, and brokers a deal to save the store who agree as long as Selfridge stands down. Mr Crabb also retires. On the 20th anniversary Selfridge leaves the store to be met by Mae.