A Chinese general goes berserk and has a system of tunnels dug all the way from China to USA, under the Pacific Ocean! Wherever there is an important military base, he places atomic bombs. US Navy soldiers go underground to repel the invaders. 中国红军统帅派兵利用新型雷射钻孔机，潜入美国陆海空各大基地及重要城市的地底，开钻蛛网般的战略通道以装置核武及弹药，肆机摧毁美国本上。海军指挥官乔纳森邀得两名地质学家协助，深入地底找寻敌迹，未料学者遭红军俘虏强行洗脑，他被放回后居然误导美军步入敌人设下的陷阱……
