Conscription, or mandatory military service, is legislated in South Korea, with military service stated as one of the Four Constitutional Duties  for all citizens. The current Conscription Law, however, applies only to males.

Onew has been drafted into the military, and even his idol status could not spare him the position at the front line, fighting for his country. Minho and the rest of SHINee eagerly wait for his return for his arrival home is coming up soon. However, one letter changes everything...