Plot: Television's toughest bake-off reaches its dramatic conclusion as two teams of professional pastry chefs lock horns over the most demanding assignment yet. This monumental task, worthy of a grand final, takes the form of a single, epic eight-hour challenge, which is judged and then served to over 100 assembled guests in the Great Hall, including friends, family and familiar faces from across the series, in a party hosted by Lord and Lady Gage