Grandma could only advise again, “It’s just a concubine. Before the mistress enters the door, she drinks a decoction to prevent pregnancy. After a few years, when the master and the husband have given birth to an eldest son, she will leave, so why should you quarrel with Fourth Master over this”,When Cheng'er saw that there was still no one inside, she slowly walked out from the corner. She deliberately raised her voice when speaking to the maidservant at the door, so that the people inside would know she had arrived.,Cheng'er was originally a palace servant, but later his family committed a crime and he was enslaved and sent to the Cui family.。