A group of former military elites set out to explore an uncharted abyss, not knowing their worst nightmare is waiting for them deep beneath the ground.
演员：鲁比·罗丝 弗兰克·格里罗 帕特里克·施瓦辛格 小路易斯·达·席尔瓦 梅杰·道奇 Emma Maddock James Di Giacomo Danny Bohnen Eden Harper Scotty Bohnen Anna Grace Loman Raphael Alexander Edwards Marco Ramirez Scott Moore Michelle Colón