In a post-apocalyptic world, a determined scientist builds a time-travel device to save humanity, only to have it stolen by a power-hungry warlord who turns out to be a future version of themselves, leading to a high-stakes chase through time to prevent the apocalypse and confront their own potential for darkness.
Protagonist: A determined scientist who believes time travel is the key to saving humanity; Antagonist: A power-hungry warlord who wants to control time travel for their own selfish purposes.
The protagonist successfully builds a time-travel device, only to have it stolen by the antagonist, leading to a high-stakes chase through different time periods.
In the final showdown, the protagonist outsmarts the antagonist and retrieves the time-travel device. They use it to go back in time and prevent the apocalypse, ultimately saving humanity and securing the future.
Twist: The protagonist discovers that the antagonist is actually a future version of themselves, driven to desperate measures by the dire consequences of their actions in the present. This realization forces the protagonist to confront their own potential for darkness and make a choice that will determine the fate of humanity.