C1550 Retrograde mother and child

Shen Bingyun had known this man for many years, so she naturally knew that the medicinal powder in the medicine bag this man took out was an extremely powerful poison.

Shen Bingyun's face became ugly, her anger was not light, but she did not dare flare up, she had already guessed that the man was the cause of Ye Yunxuan's assassination, but she did not dare say anything in anger