A marriage ceremony at their beloved, rambling home should be the happiest of occasions, but Walter and Bennie have a secret. A new community has moved to Rundle Junction, threatening the social order and forcing Bennie and Walter to confront uncomfortable truths about the lengths they would go to to maintain harmony. Meanwhile, Aunt Glad, the oldest member of the family, arrives for the wedding plagued by long-buried memories of a scarring event that occurred when she was a girl in Rundle Junction. As she uncovers details about her role in this event, the family begins to realise that Clem's wedding may not be exactly what it seemed.