Harry is thrown when Nancy suddenly announces they should keep their relationship professional, at least until the Selfridge Estate is finished. A grieving Mr Grove is keen to carry on as normal, but continues to shun Miss Mardle, while Grace and Gordon have an embarrassing encounter with Mr Crabb. Victor and Elsa come up with a new idea for Colleano's, Violette catches the eye of a visiting French count, and a huge `Britain at Play' promotion is launched in the store to keep the shareholders happy.

Harry locks horns with Loxley in a dramatic boardroom confrontation before he announces his engagement to Nancy, while it becomes clear to the future bride that the con may not last much longer as Princess Marie grows more suspicious about the Selfridge Estate project. Harry is later forced to face an unimaginable truth, while Gordon must make a big romantic decision and Mr Grove accepts the error of his ways, setting out to put things right.