At the stroke of midnight on the dawn of December, five-year-old Finn Albedo is found frozen on a pedestal of ice.
His heart is beating, he is smiling, but no one can wake him. Finn's big sister, Bianca, suspects that the tall mysterious stranger who first discovered Finn knows more than they will admit? Bianca's quest to discover the truth and rescue her little brother hurls her into a fantastical winter wonderland, full of beauty, danger and irresistible spirit animals, where all is not as it seems.