超人又回来了!这次,超人克拉克(克里斯托弗•里夫 Christopher Reeve 饰)回家乡去参加高中同学聚会。聚会上,克拉克重遇了以前就一直心仪的女孩拉娜(安妮特•奥图勒 Annette O'Toole 饰)。爱火重燃的克拉克对拉娜展开了爱情攻势,两人很快就堕入了情网。正当两人浓情蜜意时,发生了一场灾难。本应马上出动的克拉克因为沉浸在和拉娜共处的时光而延误了救灾,导致了更多无辜的人们的伤亡,为此克拉克感到异常的自责。 同时,野心勃勃的巨富利用气象卫星技术控制着世界各地的气候以此牟利,造成了很多地方天灾连连。他心知超人一定会来找自己的麻烦,于是不惜重金又制造出了一个超级电脑机器人用来对付超人。克拉克这次能否最终战胜邪恶?Wealthy businessman Ross Webster (Robert Vaughn)discovers the hidden talents of Gus Gorman (Richard Pryor), a mischievous computer genius. Ross decides to abuse his talents, in a way to help Webster with his plans for economic control. When the man of steel interferes, something must be done about Supes. When Gus' synthetic Kryptonite fails to kill Superman, it turns him in an evil incarnation of his former self. The tar-laced Kryptonite pits man against himself, setting up the Clark vs. Superman battle.