One day, a self-destructive organ is created in the brains of teenagers. A life-threatening negotiation begins with adults who do nothing to save the dying children. (Source: Naver, translated)

After completing his military service as a DP and being discharged, Ahn Jun-Ho enlists in the anti-terrorism unit as a non-commissioned officer. At the same time, a series of suspicious suicides occur in the 103rd Division, and investigator Park Beom-Gu delves into the case. (Source: Naver, translated)