Marine atomic tests cause changes in the ocean's ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur that threatens London.

一场在极圈进行的原子弹爆炸实验，释放了冰层中沈睡一亿四千年的恐龙，这只恐龙跑到纽约市大肆侵略，造成巨大恐慌。