Agnes's desire for a peaceful Christmas is jeopardized by family rows and a rather aggressive Christmas tree whilst the reappearance of Mark's ex-girlfriend Bubbles, a predatory divorcee, spells trouble for Betty and Agnes feels unwanted when the family clubs together to send her to Canada to see her sister. Fortunately all matters are resolved in time for Agnes to help Winnie fulfill her bucket list though mischievous Grandad ensures that the tree has the last word.