剧情：
A group of aliens has come to Earth to learn about[展开]
A grou of aliens has come to Earth to learn about its o ulation, customs, etc. To avoid detection, they have taken on human form which gives them human emotions, hysical needs etc. WITHOUT the understanding of what they mean or the inhibitions normally resent in humans. Their leader takes the osition of a college rofessor, their military ex ert as his sister, their intell.. [收起]
