Mankind must put a stop to the dreadful destruction caused by the Iron Man. A trap is set for him, but he cannot be kept down. Then, when a terrible monster from outer space threatens to lay waste to the planet, it is the Iron Man who finds a way to save the world. 一个比房子还高的钢铁巨人入侵田野，它吃掉了有刺的铁丝网，毁掉了拖拉机和犁。农民们十分困惑恐惧，必须不惜一切代价阻止这个饥饿的铁人……在充满想象力的故事背后，休斯就人们如何面对新生事物，提出了各种问题。
