Story : Elizabeth offers her support to Alison's marriage to Rafe, who offers Ali a normal life by opening a gym. Kevin threatens to blow up Stephen's gas-filled apartment and demands he stay away from Livvie. Stephen denies he's Caleb but when he calls Kevin ""doc,"" Kevin's sure he is Caleb. Kevin leaves after Stephen agrees to avoid Livvie. Jack & Tess run into Ian & Danny. Holding Danny, Tess has a flash of Livvie holding him. Lucy arrives and asks Ian to spend Christmas with her, but he declines. After Tess has another flash of Livvie & Danny, she realizes Danny's gone. Elizabeth finds Danny and picks him up.