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Diary of a Wimpy Kid: Cabin Fever (Book 6) follows Greg Heffley as he tries to stay off Santa's naughty list before Christmas, only to get blamed for school vandalism, leading to him and his family being snowed in during a massive blizzard, forcing him to confront his family and cover up his crime while enduring family chaos and holiday stress. Trapped indoors with no power, Greg faces his own "cabin fever," a worse punishment than jail, as he deals with his annoying brothers, a creepy Elf on the Shelf (Elfrendo), and his desperate attempts to get the new video game console he wants by doing good deeds gone wrong, all while trying to avoid being caught for the snowplow incident with Rowley

The Diary of a Wimpy Kid: Cabin Fever movie (2023) adapts the book's core, focusing on Greg's vandalism, a snowstorm trapping the family (cabin fever), and a quest to stay off Santa's naughty list, but it softens characters, changes plot details like Manny's role and the "Beardos" encounter, and adds a stronger moral message about selflessness, resulting in a more wholesome but less abrasive, kid-friendly Christmas story compared to the book's original, slightly harsher humor and events.