The granddaughter of the commander-in-Situ, sue, is a wonderful girl. She's shy and indecisive and shy, not to mention a stutterer. One day her younger twin brother, appointed by the Emperor assistant General of the army, after a quarrel leaves his father's house. At this time, knows nothing about the situation, the Emperor issues Imperial decree for the calling of the younger brother to the borders of the state, to repulse the enemy. Mrs. Syt has no choice but to reluctantly pretend to be her younger brother and go to war, where she will have to face a man called the God of war.