Darkness, air, water, and sky will come together. . . Several moons have passed since six cats set out from the forest on an urgent journey to save all their Clans. Now those six are traveling home again, but on their way through the mountains, they meet a tribe of wild cats who seem to have their own set of warrior ancestors . . . and their own mysterious prophecy to fulfill. Stormfur can't understand their strange fascination with him, but he knows the danger they face is real. Meanwhile, back in the forest, Firestar's daughter Leafpaw watches ThunderClan's world crumble around her, as the humans' terrible machines destroy more and more of their home. Will the questing cats make it back in time to save the Clans, or will they be too late? . . . and shake the forest to its roots.

黑暗、空气、水和天空将一起出现。. . 自从六只猫从森林中出发，踏上拯救所有部族的紧急旅程以来，已经过去了几个月。现在，这六只猫又要回家了，但在他们穿越山脉的路上，他们遇到了一个野猫部落，他们似乎有自己的一套战士祖先......还有他们自己的神秘预言要实现。暴风女无法理解他们对自己的奇怪迷恋，但他知道他们面临的危险是真实的。与此同时，在森林里，火星的女儿Leafpaw看着雷族的世界在她身边崩溃，因为人类的可怕机器摧毁了他们越来越多的家园。寻访的猫咪们能否及时赶回，拯救各族，还是为时已晚？...并撼动森林的根基。