剧情：
AgroupofalienshascometoEarthtolearnaboutitspopulation,customs,etc.Toavoiddetection,theyhavetakenonhumanformwhichgivesthemhumanemotions,physicalneedsetc.WITHOUTtheunderstandingofwhattheymeanortheinhibitionsnormallypresentinhumans.Theirleadertakesthepositionofacollegeprofessor,theirmilitaryexpertashissister,theirintelligenceexpert,supposedlyoldestofgrouptakesformofhisteenageson.Theuninhibitedreactionsturneverydayeventsintounusualsituations.