As the sisters who raised him have to leave, Henry has to figure out how to live by himself within the city. He finds a job in a lighting shop and claims to "lighten up people's life". His job will bring him to…

神秘的外星飞船降临地球，人类派出了一个精英团队前往现场进行调查，而团队的领袖正是由艾米·亚当斯扮演的语言学家Louise Banks博士。正当人类即将在全球范围内陷入一场大战之际，Banks博士与她的团队却试图与外星人进行沟通，为与外星…