The hens get an unpleasant surprise in a post-apocalyptic mini-mart in Snowdonia. Mother of the bride Bernadette sees a way to turn the situation to their advantage, but it's a high risk strategy, given the secret the women are keeping back at the cottage. In her hour of need, one of the hens gets help from a national treasure.

Chief bridesmaid Shelly makes a shocking discovery that could ruin everything for the hens. With time running out, she finds an unexpected ally in beautician-turned-inventor Veena and comes up with a drastic plan of action. Bernadette's business proposal takes an unexpected turn after a post-apocalyptic makeover.