The midwives face one of their busiest nights to date, whilst Sister Winifred concentrates her efforts on the prostitutes of Poplar. Elsewhere, cracks start to appear in Trixie and Tom…

Laura must decide whether to accept Niska’s request, while Karen and Pete learn about a special Synth being sold for unprecedented amounts on the black market. Hester uses questionable means…

With Tom’s family trapped in his house with a bomb, and nothing Tom or the other spooks can do but watch on. There is a huge explosion and the credits…