The top killer Leng Yue was reborn as Shen Jinyuan, the lost daughter of the Shen family. He returned to Beijing with a chip and special skills to recognize his relatives, saw through the hypocrisy of his adopted daughter, rescued Qiao Qiubai as a ghost doctor, and subdued his nephew Shen Huai'en. The Shen family was framed by the third prince and demoted to Yong'an County. They were repeatedly assassinated on the way. Shen Jinyuan led his men to protect him all the way. She has a mutual affection with the young general Qi Mufeng, joins forces with the princess to uncover the conspiracy, fights against the forces of the prime minister and the second prince, protects her family in the whirlpool of the court, and writes a legend step by step.