The unpopular daughter-in-law was married to a powerful prince. Others laughed at her for being a concubine, but her ambition was not in the back house. On the outside, she kept a low profile. She secretly relied on the legacy left to her by her mother who had knowledge and technology thousands of years later. She faked her death and escaped from Chang'an to open a shop to make a living. She didn't dare to bet on whether he would protect her all her life, so she lived alone. Unexpectedly, she could not completely escape the regent's pursuit...
Purpose: Everyone has the courage to start over and just do it