A rebellious teenager from the future helps a young girl navigate the unfamiliar world of time-travel as they work together to unravel the mystery of an artifact that could prevent a catastrophic event in the past, but using it would erase their friendship and all the memories they've shared in the future.
A rebellious teenager in the future who befriends the protagonist and helps her navigate the unfamiliar world. Despite their differences, they form a strong bond as they work together to unravel the mystery of the artifact and its powers.
The protagonist and her rebellious time-traveling friend must evade capture by futuristic authorities while they search for a way to return to the past and uncover the artifact's true purpose.
In the end, the protagonist and her friend discover that the artifact was created to prevent a catastrophic event in the past. They successfully travel back in time and use the artifact to avert the disaster, restoring the timeline and returning to their own time. The experience strengthens their friendship and leaves them with a newfound appreciation for the power of time-travel.
Twist: As the protagonist and her friend are about to use the artifact to avert the disaster, they realize that doing so will erase their friendship and all the memories they've shared in the future. They must now make a choice between saving the past and sacrificing their bond, or preserving their friendship and allowing the catastrophic event to occur.