Plot: The search for Britain's best amateur baker, with Mel Giedroyc and Sue Perkins, reaches the fifth round and everyone is out to avoid the dreaded soggy bottom as the seven remaining bakers face pies. The marquee is soon filled with the delicious aroma of fresh baking as the signature challenge has the bakers doing all they can to impress acclaimed master baker Paul Hollywood and legendary cookery writer and baker Mary Berry with their signature family pie