It's Christmas time, and Lincoln Loud is super excited! It's the one day of the year the entire Loud family comes together. However - this year, Lori, Luna, and Luan make their own Christmas plans. With three of the sisters on different holiday schedules, Lincoln's parents decide they should take a family trip to Miami with their remaining children. But Lincoln feels if they all miss the family's favorite traditions, the entire holiday will be ruined! With help from his best friend Clyde, Lincoln's got 24 hours to come up with the perfect plan, change his family's mind, and - you guessed it - SAVE CHRISTMAS!