Together,they are about to embark on a terrifying adventure.What they will learn in their struggle to survive the lost world,will leave them wiser but forever changed.

• 他们将会展开惊险万分购乐学的冒险历程。在失落购乐学的世界挣扎求存，他们经一事，长一智，也改变了他们购乐学的人生。