A historian becomes trapped in a parallel universe with unique time dynamics, where they must outsmart a rogue time-traveler, only to discover that the antagonist is actually a future version of themselves, forcing them to make a difficult choice to prevent disruptions to the natural flow of time.
Protagonist: A historian from our world who becomes trapped in the parallel universe with unique time dynamics; Antagonist: A rogue time-traveler who seeks to disrupt the natural flow of time and change the course of history for his own mysterious purposes.
The protagonist discovers a hidden portal to the parallel universe and is inadvertently pulled into it, realizing that time operates differently in this world, setting off a desperate quest to find a way back home before it's too late.
In the end, the protagonist outsmarts the rogue time-traveler and finds a way back to their own world, closing the portal behind them to prevent any further disruptions to the natural flow of time in the parallel universe.
Twist: The protagonist realizes that the rogue time-traveler is actually a future version of themselves, and must make a difficult choice to either stop their future self's plans or risk becoming the very thing they fought against.