On the day Leng Zhao held the divorce agreement, her ex-husband Lin Yan was sitting in the dock. Five years later, when he was indicted in a financial scandal, he chose her as his defense attorney. She uses law as a blade, and he uses love as a web. The two people who were close in the past become each other's swords in court. Assistant Su Tang holds secret evidence that can destroy him, prosecutor Qi Yue secretly delivers a fatal clue, and their ten-year-old daughter is silently watching the collapse and reconstruction of this marriage.