To not burden their impoverished parents, two siblings decide to share a pair of shoes after the brother loses the sister's. While this turns out to be more difficult than they imagined but fate offers a chance in the form of a marathon.
经验丰富的录音师山姆・埃文斯前往一片与世隔绝的森林想要录制远离喧嚣的各种声音。随着山姆不断深入森林，他的麦克风捕捉到了一种在独自身处森林时谁都不愿听到的声音。
当求生变成猎杀，谁会是最终的幸存者？ 两名同事在飞机失事后，成为唯一幸存者并困在荒岛上。他们必须放下过往恩怨、共同求生，但最终演变成一场不安又黑色幽默的意志与智慧对决……
