"A modern-day archaeologist and a young pharaoh of Ancient Egypt must stop a power-hungry vizier from altering history, but when their time-travel device malfunctions, the protagonist is forced to adapt to life in Ancient Egypt permanently."
Protagonist: A modern-day archaeologist who stumbles upon a time-travel device; Deuteragonist: A young pharaoh of ancient Egypt who helps the protagonist navigate the complex politics and customs of the time period.
The protagonist and the young pharaoh must work together to prevent a power-hungry vizier from changing the course of history by altering the timeline of Ancient Egypt.
In the end, the protagonist and the young pharaoh successfully stop the vizier from altering history, and the protagonist decides to stay in Ancient Egypt with the pharaoh, using the time-travel device to explore different eras together.
Twist: The time-travel device malfunctions and the protagonist is unable to return to the modern-day, forcing them to adapt to life in Ancient Egypt permanently.