Olivia and Ethan host Lydia Grace and her boyfriend for Christmas. Kim hopes Isaac will approve of her dating his flight instructor. Micah and Moriah struggle to reconcile with Ethan. Oliva and Ethan's marital tension resurfaces.

Kim nervously shares her dating news with Moriah and Lydia. Moriah decides to unblock and text Ethan and is taken aback by his response. Olivia hits her breaking point when she realises Ethan is up to his old ways.