Trixie and Sister Mary Cynthia team up to support a deaf mother-to-be, while another patient causes great concern when a case of morning sickness proves more serious than initially suspected.

Meanwhile, we see the return of Chummy, who’s in Poplar on a course and catching up with her friends at Nonnatus House. But she’s shocked to see the state of Trixie, and is also nursing her own heartache…

On the personal front, handyman Fred’s daughter is less than delighted to hear about his forthcoming wedding. Will he be forced to choose between her and Violet?