It's Christmas and a mysterious elf shows up at the workshop almost frozen to death.

Santa's number one reindeer is missing. What are the elves to do to get Christmas back on track? They must find out who this strange elf is and they also have to find the missing reindeer.

Read along as the elves rally together to put together the missing pieces, meet Zoink, and find the missing reindeer named Dondi.

Travel to the wonderful world of workshops, Santa's home, and the great North Pole!