Seven years ago, Su Nian was imprisoned by her mother Zhao Lihua, her brother Su Mingyu's indifference, and her father Su Zhenghong's silence, and was forced to commit the felony of hit-and-run for her brother. On the day she was released from prison, she smiled and hugged her family, and no one saw the ice in her eyes. With the secret assistance of lawyer Zhou Yan, Su Nian worked step by step, using his brother Su Mingyu's arrogance, Lin Wei's wavering, and his father's hidden evidence to put everyone in the Su family on trial. The moment she sent them to prison with a smile, family love, betrayal, revenge and redemption really began.