"A team of time travelers must race against the clock to prevent a notorious terrorist from altering history, only to discover that their actions have inadvertently set off a chain reaction leading to a new, even more devastating future unless they can find a way to undo their interference."
Protagonist: A brilliant physicist who invents the time-travel technology; Deuteragonist: A former special forces operative with extensive knowledge of historical events and combat skills.
The team of time travelers must race against the clock to prevent a notorious terrorist from altering the course of history by assassinating a key political figure.
As the team of time travelers confronts the notorious terrorist in the past, they are able to thwart his plan and prevent the assassination of the key political figure. However, in the process, they realize that their actions have inadvertently altered the course of history in unforeseen ways. Despite their initial success, they must now race against time to fix the unintended consequences of their intervention and restore the timeline to its original state.
Twist: The team of time travelers discovers that the notorious terrorist they thwarted was actually a future version of the protagonist, who had gone back in time to prevent a different catastrophic event. Their actions have set off a chain reaction, leading to a new, even more devastating future unless they can find a way to undo their interference.