Greg Heffley is in massive trouble, and for once, he is actually innocent. Well, mostly innocent. When school property gets mysteriously damaged, Greg immediately becomes the prime suspect. Just as the authorities are closing in to figure out exactly what happened, a massive surprise blizzard hits the town. Suddenly, the entire Heffley family is snowed in and completely trapped indoors together. As the long days tick by, the family starts running dangerously low on food and patience. Greg knows that the second the roads finally clear, he will have to face the music at school and take whatever punishment is coming his way. But as serious cabin fever sets in and his family drives him completely crazy, he starts to wonder if any school detention could possibly be worse than being stuck inside with his parents and brothers. Open up the sixth hilarious journal entry of Greg Heffley as he tries to survive the ultimate winter nightmare without losing his mind.