年轻貌美的Katya是匹兹堡一家大型百货公司的橱窗化妆师，她与记者Mac Odell开始了一段爱情故事。然而，她被一个对她情有独钟的已婚男子杰克跟踪。杰克让卡蒂亚的生活变得地狱般，当女孩告诉他的妻子关于他的事情时，他被曝光后变得非常愤怒，并想去商店杀死她...

When the Viking space capsule suddenly returns to Earth from its long ago trip to Mars, it brings with it an intelligent visitor that is part "Alien" and part "ET". Encased in armor, it extends a humanlike form from its shell to examine its surroundings and shows an interest in humans including a soft caress of a female scientist prior to the Army killing it. This only enrages its sibling.