A modern-day historian accidentally travels back to medieval Europe and must work with a local scholar to retrieve an ancient artifact that holds the key to time travel, only to discover that the scholar is a time traveler from the future with a hidden agenda.
Protagonist: A modern-day historian who accidentally travels back to medieval Europe; Deuteragonist: A local scholar who helps the protagonist navigate the unfamiliar time period and find a way back home.
The protagonist and deuteragonist must navigate through a treacherous journey to find an ancient artifact that holds the key to time travel, while facing obstacles and dangers from the medieval world.
In the end, the protagonist and deuteragonist successfully retrieve the ancient artifact and use it to return to the present day. They part ways with a newfound respect for each other and the knowledge that their unlikely friendship transcends time.
Twist: The protagonist discovers that the deuteragonist is actually a time traveler from the future who was sent back to ensure that the protagonist successfully returns home, leading to a revelation about the true nature of the ancient artifact and the consequences of their actions in the present day.