Boxing Day sees heavy snowfall covering the country and the adverse weather causes major disruption across Poplar as roads become blocked and pipes freeze meaning families have to queue outside for water from standpipes. Sister Julienne must inform a family about the death of their loved one and uncovers an uncomfortable truth, while Valerie helps an unmarried couple living in a caravan prepare for their baby, but unforeseen complications knock her confidence in her ability as a midwife. Guest starring Anita Dobson.
Elenco: Helen George , Jenny Agutter , Judy Parfitt , Pam Ferris , Cliff Parisi , Bryony Hannah , Laura Main , Jessica Raine , Linda Bassett , Vanessa Redgrave , Leonie Elliott , Miranda Hart , Stephen McGann , Jennifer Kirby , Charlotte Ritchie .