After ten years of marriage, the ambiguous sounds on the dash cam in the underground garage completely tore Lu Jingchuan's life apart. His wife Liu Ruyan cried and begged for forgiveness, lying that the other party was just an intern. He calmly collects evidence and fights back step by step, revealing the truth that the intern is actually a married fitness instructor who swindled money and sex. Cheating, bigamy, fraud, miscarriage, madness, the farce comes to an end, the scumbag goes to jail, and the wife suffers the consequences. Lu Jingchuan took his son to cut off the past and restart his life.