Climbers Alex Honnold and Tommy Caldwell embark on an expedition to conquer Alaska's treacherous Devils Thumb, pushing their limits through perilous climbs across daunting peaks, while their unbreakable bond is put to the ultimate test.

　　An introspective journey on the lessons life has taught 20 legends of the vertical world. At times brutally honest, other times pensive, these athletes' stories reveal the triumph of the human spirit, and the profound and unique connection formed as they overcome the world's fiercest physical and mental obstacles.

马克·安德烈·莱克莱尔独自攀登，远离聚光灯。这位23岁的自由主义者进行了历史上最大胆的单人攀登。没有摄像机，也没有失误的余地，莱克莱尔提供了一种单人冒险方式的精髓。

An average kid named Duncan dreams of making it big without having to wear a suit and tie to do so.

攀登家于1000英尺陡峭悬崖的真实体验，为求于悬崖壁上寻找未被发现的动物物种。