《迷失》第五季开播前就有编剧透露，将会有一名重要角色死去，而之前剧集中埋下了多重伏笔，也将会逐渐收拢，谜底慢慢揭开。这一季主要讲述“六位离岛者为什么要回去”。虽然《迷失》已经有六季完结的大框架，但是第五季的挑战也不小，在第四季那么多冲突制造完之后，剧情的节奏和爆点恐怕会有所放缓。《迷失》中依然有很多很多的谜底有待揭开，这也是剧迷一直牵挂的。和以往闪回闪前的叙事方式不同，第五季主要是岛外和岛上生活的叙事方式为主。
Feeling nervous that the firm is not making enough money, Fish and Cage decide to hire another associate, a "rainmaker" who can bring in lucrative clients. They hire Nelle Porter, an attractive, late 20's litigator from a respectable firm. On her first day, Nelle manages to irritate Ally, Georgia and Elaine, but Fish and Cage seem very pleased with her. Ally defends a woman in her late-30's accused of having sex with a minor. When the boy testifies, Ally finds herself attracted to him. In Memory of PHIL LEEDS April 16, 1916 - August 16, 1998
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