Fu Zheng is the fire service captain, and Lin Zhiyi is the thousandth person he rescued from the fire. She chased him for three years and wrote 999 love letters, but he rejected them all. The people in the fire brigade laughed at her for wishful thinking. Until one day, Fu Zheng lost contact while performing a mission. Everyone was waiting for news. Only Lin Zhiyi rushed into the temporary headquarters, picked up the map and drew a circle: "He is here, I know him." Three hours later, Fu Zheng was really found at that location.
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