Nicola discovers Niamh is planning to flee to Spain. Will Niamh make her getaway before Paul finds out? Dermot cherishes his last Christmas with his son, and receives a pleasant surprise from Jane. The O’Brien’s suffer through an awkward day as Eoghan causes friction. Kerri-Ann panics when her mistake puts the shelter dinner in jeopardy. A shocking occurrence at the Brennan’s brings Christmas celebrations to an abrupt end.