Due to an accident, the soul of Su Li, a modern doctor of law, traveled through the doors of many houses in different dynasties. Sometimes she was an abandoned daughter of a noble family, sometimes she was the legitimate daughter of a general, and she got caught up in complicated family fights and power struggles. Every time her identity changes, she must use wisdom and courage to resolve the crisis and decipher the family secrets. Su Li gradually understood that her time travel was not accidental, and that there was a huge mystery about her family and time and space hidden behind it. She continues to grow in power struggles, family tests, and love entanglements. The main characters intersect with her in different story lines, and finally converge into an ultimate space-time mystery, ushering in the final judgment of the fate of her family and herself.
