贯穿影片从头至尾的一个主线就是时间，影片讲述了一个和时间赛跑的故事，在故事的一开始有一个考古学的教授，想要寻找自己父亲失踪的真相，而这个教授的父亲早在40年前就已经失踪

在教授寻找父亲失踪原因的过程当中，这个教授寻找到了传说当中才会存在的不老泉，据说喝下这个泉水就可以永远不老，由于无法抵御不老泉的诱惑或者是为了寻找自己的父亲的失踪真相，这个教授进入到了山洞。就在教授进入山洞之后同样也是失踪的，为了寻找这个教授，教授的助理和他的朋友一起进入山洞当中，对教授展开了寻找，但是在进入其中之后，发现山洞里面的时间流速和外界是不一样的。他们不仅无法寻找到教授，就连他们自己很有可能也会被困到山洞当中。

The main thread that runs through the film from beginning to end is time. The film tells a story of a race against time. At the beginning of the story, there is an archaeological The professor wanted to find out the truth about his father's disappearance, and the professor's father had disappeared 40 years ago

In the process of the professor looking for the reason of his father's disappearance, the professor found the Fountain of Youth that only existed in the legend. It is said that drinking this The spring water can be forever immortal. Because he could not resist the temptation of the fountain of youth or to find the truth about his father's disappearance, the professor entered the cave. Just after the professor entered the cave, he also disappeared. In order to find the professor, the assistant of the professor and his friend entered the cave together to search for the professor. the same. Not only are they unable to find the professor, but they themselves are likely to be trapped in the cave.