On a high-speed train, Zhao Qi's photography bag was thrown away as trash by fellow passenger Wu Xin, and the equipment inside was quite valuable. Zhao Qi refused a private settlement and insisted on handling the matter according to the law. After a police investigation, the items were recovered, uncovering a chain of theft, fencing, and behind-the-scenes connections. Faced with pleas and pressure, Zhao Qi still used legal means to solve the problem. In the end, he is willing to issue a letter of forgiveness for the child of the person involved, but requires the other party to admit their mistake in person. The story revolves around rules, responsibility, and bottom lines.