12-year-old Lincoln Loud goes on new adventures in the town of Royal Woods with his best friend Clyde McBride, while also navigating the chaos of living in a family with 10 sisters.

In 1960s Alabama, an orphaned young boy staying with his grandmother at a hotel, stumbles across a conference of witches and gets transformed into a mouse by the Grand High Witch.

Kate Pierce is reluctantly spending Christmas with her mom’s new boyfriend and his son Jack. But when the North Pole and Christmas are threatened to be destroyed, Kate and Jack are unexpectedly pulled into a new adventure with Santa Claus.

Lincoln Loud gears up for the ultimate Christmas, until he finds out that most of his sisters have plans to be elsewhere for the big day. Determined to remind his family that they all need to be together, Lincoln and his best friend Clyde McBride embark on a mission to preserve the family’s holiday traditions.