Series 20, Episode 49 airs Tuesday 4th December at 20:00 on BBC One.
A much-loved face from the past forces a guilty Serena to think about her future. Will she be able to keep her terrible secret?
Dom and Lofty find themselves at a crossroads when a game highlights the cracks in their relationship.

When Frieda and a difficult patient reach a place of understanding, Frieda finds herself taking in an unlikely companion.