Rebuilding Pemberley

Is a fire at his family estate of Pemberley, which happened when Fitzwilliam Darcy is a boy, connected to a fire which happened at Netherfield Park, years later? Pemberley was destroyed by a fire, claiming the life of Darcy's mother, Lady Anne Darcy. Years later, Darcy meets Elizabeth Bennet, who is living in London with her aunt and uncle. Elizabeth had survived the deadly blaze at the home of her childhood friend, a fire which claimed the lives of the owner of Netherfield and his family. When she becomes the target of someone trying to kill her, pieces of the puzzle come together. Will it be enough to protect Elizabeth?