Anna Jinghua returned to her ancestral home. It was meant to be a holiday with friends but every hundred years there is a disturbance.
The time wasn't right to travel as a prediction was unfolding. She could have returned home but instead, followed a trail of tales where she accepted the inevitable.
Being a seer of the future, there were many threads to weave and with the help of immortals, she learned of a diversion. Mars isn't a place for the future but a connection with the past.
To get to your destination, all YOU need to do, is look into a mirror