Hell Time Travel

Miss Lin and her maid were about to marry outside the Great Wall. On the way, they were in danger. The lady hit her head and lost her memory. The maid had an idea, and the maid became a lady, and the lady became a maid. The story begins here. The rich lady of the past became a lowly maid with no memory, and suddenly fell to the bottom of society. But no one knew that the core had been changed when the young lady suffered a heavy blow. Time travel is actually this damn time travel. As soon as she opened her eyes, she turned into a little maid. How is this story going to develop?