Zhuang Yimeng is mistakenly believed to have caused the death of her best friend, Wan Ning, in an accident. She is imprisoned and tortured by Fu Nanming, Wan Ning's older brother. After being released from prison, she remains confined in the Fu family home, enduring endless pain and humiliation. Fu Nanming's younger sister, Gu Man, secretly stirs up trouble, worsening the conflict between them. As the truth gradually comes to light, Fu Nanming begins to question his judgment. However, fate plays a cruel trick on them when they discover that they may be half-siblings sharing the same father. In despair, Zhuang Yimeng chooses to leave, while Fu Nanming suspects that there may be more to their supposed relationship than meets the eye.