Rise From the Ashes

Rise From the Ashes manhwa summary :

In order to save her mother, Qingge joined the Wei’s mansion as an orphaned daughter. On the surface, she was adopted by the Wei residence, but in reality, she worked for the Weis as a secret agent. Ten years later, she managed to attract the second prince’s attention and so unfolded a conspiracy… Will she turn the tide? Will she rise from the ashes…