Su Yu and Fu Sinian have been married for three years and love each other. However, Su Yu's sister Su Ci was targeted and suffered multiple sexual assaults on the day of her wedding to her fianc é Xu Mu. She later escaped and had a car accident, resulting in an accidental miscarriage. A series of events caused significant trauma to Su Ci, leading to mental problems. Due to her admiration for Fu Sinian and jealousy towards Su Yu, Su Xia blamed her elder sister Su Ci for their situation and continued to use Su Ci to stir up misunderstandings between Su Yu and Fu Sinian. This left Su Yu physically and mentally exhausted. After giving birth to her child, she was told that the child had been killed by Su Ci, who had mental problems. Upon learning of the child's death, Su Yu completely erupted and did not believe that her sister Su Ci would do anything malicious. She was determined to find out the truth and uncover the true culprit behind the scenes. Previously, after undergoing treatment and companionship, Su Ci's sister's spirit gradually recovered. She suspected that the real culprit who hurt her was not Su Yu, but considering various factors, Su Ci decided to continue pretending to be crazy to investigate the truth. With the secret help of his sister Su Ci, Su Yu finally found out that everything was designed by Su Xia. Su Ci returned the child to Su Yu, and the two worked together to find evidence of Su Xia's wrongdoing, uncovering the real culprit behind the scenes, and revealing the truth to the public. Fu Sinian regretted the truth and apologized repeatedly to Su Yu, seeking her forgiveness and pursuing his wife's cremation