A glowing brain-like creature arrives on a beach near a rocket test site via a teleportation beam. The alien communicates telepathically with the children of scientists. The kids start doing the alien's bidding as the adults try to find out what's happening to their unruly offspring.

Lily (Deann Baker) wakes up in a bloody motel bathroom with fuzzy memories of the previous night. As she copes with her trauma and struggles to figure out what happened, she begins changing into something inhuman.

Two men are released from the Arizona Territorial Prison at Yuma in 1898. One, The Dutchman, is out to get both gold and revenge from certain people in a small mining town who had him imprisoned unjustly. The other, McBain, is just trying to go straight, but that is easier said than done once The Dutchman involves him in his gold theft scheme. Based on the 1949 novel The Asphalt Jungle by W. R. Burnett, the story is given an 1898 setting. It is the second film adaptation of the novel following 1950's noir classic The Asphalt Jungle.

罗杰（加里·格兰特 Cary Grant 饰）是个平凡的广告商人，最近却莫名其妙的惹了一身的麻烦——他被别人错认成一名叫“凯普林”的人，还被人灌醉放进车中，意图造成车毁人亡，命大的罗杰却顺利逃过这一劫。这个离奇的经历让罗杰又后怕又好奇，为了证明自己的清白，他非要找出真正的 “凯普林”不可。
噩运在纠缠罗杰。他一路设法摆脱追杀，一边千里追踪凯普林的线索。他跳上了一趟开往芝加哥的列车，车上巧遇娇娃坎多（爱娃·玛丽·森特 Eva Marie Saint 饰），愿意助他一臂之力。眼看就快可以约见凯普林，事情却又起了波澜——他不但没有见到凯普林，还随之陷入了又一场危机当中。真相越来越扑朔迷离，拉什莫山的总统雕像，也成了一场生死搏斗的大舞台。