An archaeologist discovers a time-travel portal in a cave, leading him to a dangerous past where he must use his knowledge to survive, but upon returning, he must decide whether to alter history or protect it.
A curious and adventurous archaeologist who becomes obsessed with uncovering the secrets of the portal and the civilizations of the past.
The archaeologist becomes trapped in a dangerous time period and must use his knowledge of history and survival skills to navigate the treacherous environment and find a way back to the present.
The archaeologist finally discovers a way to activate the portal and return to the present, but not before learning valuable lessons about the impact of human actions on different time periods. He returns with a newfound appreciation for history and a determination to use his knowledge for the betterment of the world.
Twist: The archaeologist realizes that the portal was created by future humans trying to change the course of history, and he must decide whether to use his knowledge for the betterment of the world or to protect the past as it is.