Santa, a.k.a. Scott Calvin, is faced with double-duty: how to keep his new family happy and how to stop Jack Frost from taking over Christmas. /// Santa battles Jack Frost to keep his title.
A deceased billionaire leaves his spoiled adult grandson a series of odd tasks to perform in order to receive "the ultimate gift," with the resentful grandson having no idea what that might be.
Columbus, Tallahassee, Wichita, and Little Rock move to the American heartland as they face off against evolved zombies, fellow survivors, and the growing pains of the snarky makeshift family.