It's 1919, World War I has just ended, and Harry Selfridge, like many Londoners, is struggling with loss. The death of his beloved Rose has left the flamboyant entrepreneur all alone and he is making costly business mistakes. His empire is weakened, leaving him vulnerable to his old enemy Lord Loxley. Despite heartbreak and sorrow all around, the world goes on, and season three sees new characters breathe life back into the famous department store. Harry's gorgeous daughters are all grown up and causing trouble, and there's an intriguing new love interest to distract the mourning hero. Selfridge's offers the world an escape from post-war depression and gloom, and customers are drawn to the glamour and extravagance behind it's ornate doors more than ever before. But, though the store may be thriving, it looks like Harry's charmed life is starting to unravel.