A year after their separation, Lauren and Kevin focus on raising their young son Charlie together. However, Kevin harbors a desire to make them a whole family again.
A young couple preparing to welcome their first child (Brotherton, Cahill); an empty-nester (Bell) and her fiancé (Denton) ready to start a new chapter; and a couple (Bennett, Rodriguez III) who unexpectedly have the chance to expand their family on Christmas Eve celebrate the holiday as they navigate these turning points in their lives.