A historian on a remote island must confront their own future self and make a difficult choice when a rival time traveler threatens to alter history using a mysterious time-travel device.
Protagonist: A historian who wants to witness historical events firsthand; Antagonist: A rival time traveler who wants to alter history for their own benefit.
The protagonist experiences a moral dilemma when they are faced with the opportunity to change a personal tragedy from their past using the time-travel device.
The protagonist ultimately decides not to change the past, realizing that altering history could have catastrophic consequences. They confront the antagonist and together, they destroy the time-travel device to prevent anyone from abusing its power. In the end, the protagonist finds peace in accepting the past and looks forward to the future.
Twist: It is revealed that the antagonist is actually a future version of the protagonist, who has become corrupted by the power of time travel. The protagonist must confront their own dark future and make the ultimate sacrifice to prevent themselves from becoming the antagonist.