Miao Cuihua worked hard for half her life, but found that her household registration book showed that she was unmarried. She wanted to apply for a new marriage certificate, but was ridiculed and suppressed by her family. After unexpectedly winning a lottery of 5 million, she decided to leave home and start a new life, revealing the truth that her husband Qin Jianguo and her mother-in-law Liu Ruyan had bigamy and deceived her with false evidence. In the end, she took up legal weapons to defend her rights, and the bad guys were severely punished. She completely broke away from her original family and lived an independent and unrestrained later life.