Glenn Barrows, a recent widower doing his best to raise his young kids Elliot and Phoebe who really miss their mom. And when the Barrows adopt an adorable puppy named Belle during the holiday season, it seems that their healing may have begun. But will Glen's dog-hating, gold-digging new girlfriend spoil their newfound happiness, or can Elliott and Phoebe pull off a daring Christmas Eve rescue of their beloved new pet?