It is Christmas Eve and spirits are high in Holby, although not everyone is feeling merry. A nervous Cal takes Charlie with him to meet his birth mother, but when she enters the room it becomes clear that she has some kind of serious illness. Angry with her for not contacting him before, Cal is not sure what to do. Dixie learns that her superiors are investigating Jess's complaint, but refuses to climb down, determined to do what is right for Olivia. Iain continues to flirt with Rita but accidentally sends a text to the wrong person. Jacob gives up his Christmas to be with Connie.