It is Christmas at Lime Grove and a time for much soul-searching. Kiki has gone missing and Hector's self-destructive behaviour spirals as Bel and Freddie search for the truth about what happened to her. Meanwhile, Randall tells Lix the real reason for his return but is she willing to dredge up a painful past?
Elenco: Ben Whishaw , Romola Garai , Dominic West , Anna Chancellor , Tim Pigott-Smith , John Bowe , Anton Lesser , Juliet Stevenson , Julian Rhind-Tutt , Burn Gorman , Oona Chaplin , Peter Capaldi , Vanessa Kirby .