4400第四季简介　4400 were taken.　　4400 were returned.　　Each has a unique ability.　　One among them has a message.　　Anyone can become extraordinary.　　The risk is great.　　But so are the rewards.　　And now there's no turning back　　The world will have to deal with us.　　一个阳光普照的好日子，Tom站在自己的厨房里喝着咖啡。他看了看表，叫Kyle赶快下楼来，说他们快迟到了。Kyle笑盈盈地冲下来，父子俩这辈子也没这么开心过。Tom挥了挥手，桌上的车钥匙飞到了他的手中－－难道Tom也喝下Promicin并产生了超能力？　　4400 中心的广场上已经聚集了不少人，其中许多都是我们的老熟人：Diana、Maia、Marco、Kevin Burkoff、Tess Do...