When foreign trade translator Shen Yanqing is at the peak of his career, a "too perfect" male assistant Lu Shiyan is parachuted in. He remembered all her habits, anticipated all her needs, and even protected her with his body at the critical moment of life and death - just like he had done thousands of times before. When the memory that had been buried for eight hundred years was awakened by an accident, the gears of fate between the Crown Prince and the secret guard meshed again. In this life, it was him who stayed by her side, and as the crisis approached step by step, she gradually came into contact with the knife that had never left her in her previous life. At the same time, her brother Shen Yanci, a seemingly ordinary algorithm engineer at a major Internet company, is using code to build another line of defense for her, becoming the warmest footnote in this guardianship that spans two lives.
