A female doctor from the Department of Archeology traveled through time and became an abandoned daughter of a general. She played chess in troubled times and fought side by side with enemy heroes. She eventually became the founding empress. However, she discovered that the "rebirth" she had experienced was actually a civilized experiment that spanned three thousand years.
Purpose: "The time traveler thought she was an intruder in history, but found that history had already been waiting for her arrival - she was not here to change the times, but to fulfill a contract to protect civilization that spanned three thousand years.