The Legend of Ba Qing

The drama chronicles the life of Ba Qing, the wealthiest woman of the Qin Dynasty. She is known to have provided mercury for the First Emperor of China’s mausoleum, and also funded construction works for the Great Wall. She is referred to as the older sister by Ying Zheng, the Emperor of the Qin Dynasty and they become involved in a complicated romance.
(Source: Wikipedia)