This year’s winter holidays are proving to be particularly taxing for Greg Heffley. When Greg and his closest buddy Rowley Jefferson build a snowman, they unintentionally damage a snowplow, and Greg fears he won’t get the new video game console he really wants for Christmas. He is snowed in with his family, which includes his obnoxious younger brother Manny and his sour elder brother Rodrick, which exacerbates the situation.