简介：位于热带海域的一座无名小岛，蔚蓝大海与金色沙滩接壤之初，飞机破碎的残骸伴随着遇难乘客的恸哭哀号，揭开了一个神秘故事的序幕。2004年，815航班在前往目的地的途中突遭变故，坠毁在这座小岛，机上仅有杰克·谢帕德（马修·福克斯 Matthew Fox 饰）、凯特·奥斯汀（伊万杰琳·莉莉 Nicole Evangeline Lilly 饰）等48人侥幸逃生。最初的惊恐过后，不同年龄、职业、国别、民族、背景的一群人，在这个与世隔绝的逼仄且食物紧缺的空间内不可避免发生冲突与碰撞，与此同时，小岛上似乎还隐藏着某种未知且极具威胁的生物，而他们的一举一动又仿佛被一双双充满智慧但又神秘莫测的眼睛所监视。 不可预测的未来，接二连三的谜团，以及仿佛永远无法到来的救援队，让幸存者们不知所措……
简介：Jack Linden (Mark Ruffalo) and Hank Evans (Peter Krause) are best friends who both teach at the same university in a small New England town. They both have young children and Jack's wife, Terry (Laura Dern) is close with Hank's wife, Edith (Naomi Watts). But while things appear happy on the surface, there are smouldering pockets of discontent underneath. Financial struggle and domestic boredom has drained the passion from Jack and Terry's marriage, while Hank's numerous infidelities and self-absorption has prompted Edith to find both comfort and sexual fulfilment with Jack. As Jack begins spending more and more time with Edith, it becomes obvious to Terry, whose anger culminates in a sexual encounter with Hank. Now that the deception has come full circle, both couples are left to decide the futures of their shattered unions...