Revenge for my sister: Her death is not that simple
My sister accidentally fell from a building and the police determined that she had committed suicide. However, the heroine discovered that there was a recording on her sister's cell phone of "Mom asked me to have an abortion", as well as a chat record with her sister-in-law: "She is pregnant, and I will not forgive her." The heroine secretly investigated and finally revealed the truth about how her sister-in-law teamed up with her husband's family to force her sister to death, and the murderer was imprisoned.
