Call the Midwife: Season Twelve - Following an eventful Christmas special, the series continues with an episode set in 1968. It's 1968 and Enoch Powell's infamous "Rivers of Blood" speech creates serious tension in Poplar, especially when a group of dockers march in support of Powell. The midwives welcome a new nun, Sister Veronica, who's an instant hit with everyone - except Nurse Crane. Meanwhile, Trixie's relationship with Matthew goes from strength to strength, while Nurse Crane helps Nancy with her financial woes. Sister Julienne enjoys helping out the district, Shelagh and Dr Turner split their time between the busy maternity home and their lively young family and Reggie continues to bring joy into Violet and Fred's lives.