All the Moomins want to do is sleep through the long, harsh winter, but nothing goes according to plan when several unexpected and unwanted guests show up

As the Moomins prepare to hibernate through what is going to be the worst winter yet, several unwelcomed guests take advantage of the Moomins' generosity and keep the family awake throughout the long winter. Their quirky but needy guests prevent the Moomins from hibernating and the chaos only increases with the arrival of a little nibling determined to find out everyone's secrets. One by one, the nibling sees what the...