《再见已是陌客（归来的星光）》电视剧功勋-电影天堂网 Survival hangs in the balance for a group of teenage girls stranded on a deserted island, after the explosive discovery that what's happening to them is an elaborate social experiment. Season 2 ups the drama and keeps you guessing, with the introduction of more test subjects – a new island of teenage boys – who must also fight for survival under the watchful eye of the experiment’s puppet master.