In 2016 filmmaker/photographer Pete McBride and writer Kevin Fedarko set out on a 750-mile journey on foot through the entire length of the Grand Canyon. More people have stood on the moon than have accomplished this task. Their quest was more than just an endurance test — it was also a way to draw attention to the unprecedented threats facing one of our most revered landscapes...。本片的创意来自丹尼尔笛福的经典小说《鲁滨逊漂流记》,这部科幻片中的宇宙飞船指挥官克里斯德莱波遭遇了相似的命运,但是他并非被困在荒岛上,这个大英雄漂流到了火星。在这个荒凉的星球上,他必须设法呼吸、找到水源和食物。过了一段日子后,克里斯遇到了另一个人类”星期五”,他刚从另一个外星球逃脱他的奴隶生活。两人找到沟通方式后,很快就建立起友谊,并合作在艰困的环境下生存---将有外星人攻击,和毁灭性的气候现象等着他们。。