Ten years ago, while handling a medical corruption case, I of the Economic Investigation Team accidentally discovered the "Patient Zero Plan" designed by an overseas laboratory. As a result, I was secretly transferred to the National Security Bureau of C and gradually investigated and arrested the spy officials involved in the case to safeguard national health security. These officials were dismissed or died tragically one after another, and the medical system in H Province was completely reorganized. At this time, I suddenly discovered that the so-called "Patient Zero" did not exist. Our Security Bureau seemed to have become a virus implanted into the medical system of Province H. This official plague was disintegrating the medical system of Province H. I'm afraid that the real "Patient Zero" is about to strike unexpectedly when the medical system is restructured...