Viewers in Scotland will have the same episode, Tuesday 17 December 2019, on BBC One at 22:35.
Devised by Paul Unwin / Jeremy Brock
Devised by Tony McHale / Mal Young
Written by Ed Sellek
Directed by David Tucker
Series Producer: Jane Wallbank
Series Producer: Chris Clenshaw
Executive Producer: Simon Harper
A newly pregnant Chloe wrestles with her conscience.
Sacha attempts to put himself first, which means he has to say no to hosting Christmas with Essie.
Lofty and Dom prepare to renew their wedding vows with some special guests - but Lofty has begun to question the validity of their marriage, and is forced to consider what he really wants out of life.
Sacha's daughter gives some tough advice.
Chloe tries to decide what she wants to do about her pregnancy, and realises she must tell Ange everything if she is to find peace.
Casualty stars Amanda Henderson and alumni Jamie Davis make a guest appearance.
Continues on Thursday.
Belinda Owusu as Nicky McKendrick
Lee Mead as Ben "Lofty" Chiltern
Amy Lennox as Chloe Godard
Catherine Russell as Serena Campbell
Bob Barrett as Sacha Levy
Nic Jackman as Cameron Dunn
Jaye Jacobs as Donna Jackson
Kaye Wragg as Essie Di Lucca
David Ames as Dominic "Dom" Copeland
Marcus Griffiths as Xavier "Zav" Duval
Francesca Barrett as Beka Levy
Julia Deakin as Carole Copeland
Amanda Henderson as Robyn Miller
Jamie Davis as Max Walker
Daisy Wood-Davis as Phoebe Crowhurst