A rebellious teenager and a mischievous inventor from an ancient civilization use time-travel technology to prevent a catastrophic event, only to discover that their actions have inadvertently caused a new disaster in their own time.
Protagonist: A rebellious teenager who accidentally discovers the time-travel technology of the ancient civilization; Deuteragonist: A mischievous inventor from the ancient civilization who partners with the protagonist to explore the possibilities of time travel.
The protagonist and deuteragonist embark on a journey through time to prevent a catastrophic event from altering the course of history.
As the protagonist and deuteragonist race against time, they finally manage to prevent the catastrophic event from occurring. They return to their own time, forever changed by their experiences and the impact they had on history. The ancient civilization's time-travel technology is safely hidden away, ensuring that the course of history remains unchanged.
Twist: Upon returning to their own time, the protagonist realizes that their actions in the past have inadvertently caused a new catastrophic event to unfold, setting the stage for a sequel as they must now navigate the consequences of their time-traveling adventures.