A team of retired military experts embarks on a daring expedition to investigate an undiscovered chasm, unaware that a terrifying danger lurks in the depths below. 影评：这部电影充满了紧张刺激的氛围，观众将随着主人公们的探险之旅，体验到无尽的恐惧和挑战。深不可测的深渊中隐藏着怎样的恐怖秘密？观众将不禁紧张地等待着答案的揭晓。剧情紧凑，惊险刺激，让人无法从头到尾将目光移开。