Two New York City children, Ethan and his charming sister Hallie, concoct a hilarious scheme to spend Christmas with their parents and grandmother. Their plan goes awry as they face obstacles, including a businessman vying for their mother's attention and Ethan's own crush on a new friend, Stephanie. With the help of Stephanie and some creative tactics, including mice, phone calls, and an ice cream truck, the siblings finally achieve their goal with a little Christmas magic from Santa Claus.

All I Want for Christmas
A sibling duo takes it upon themselves to rekindle their parents' love, ultimately leading to a joyous and harmonious Christmas family gathering.