There are two roads in front of us, one is full of people and cars and horses, and the other is full of weeds and thorns. When he chooses the first path, it is known history, and when he chooses the second path, it is an unknown future. The story starts from the second road.
The intention: to witness the history in another parallel universe, and to want the times to move forward along the wheel of history, but she didn't know that when she took that step, history had already subtly changed.