Overnight, Hou Yanyu's grandfather was slandered by traitors, and his house was ransacked. He escaped by hiding in a well. In order to investigate the unjust case, Hou Yanyu volunteered to become the sharpest knife in the hands of others and became a cold-hearted killer.
She obeyed the arrangement and married Liang Jinyao on her behalf. The two of them kept testing, but Liang Jinyao unexpectedly discovered her identity as a killer, which aroused his interest. In the subsequent investigation, Hou Yanyu and Liang Jinyao reached some kind of deal with him to deal with the common enemy.
Intention: The mountains and rivers are safe