艾玛和卡斯帕要欢度一个最梦幻的圣诞节，因为爷爷邀请他们到冰雪城堡小木屋，庆祝一个不一样的圣诞节，但是狗狗芭莎就要生小狗宝贝了，艾玛和卡斯帕必须陪伴狗狗芭莎，迎接小狗宝贝的诞生，不能去小木屋庆祝圣诞节，于是艾玛和卡斯帕想到…

What do the rise and fall of the Roman Empire, the Thirty Years’ War and the Renaissance have in common? For one, they were all starkly affected by extreme weather …