The war against the mountain people continues, and the imperial forces are about to make one last march to their final staging ground. The incompetent imperial commanders pick a route that leaves their flanks exposed to an attack, but fortunately Ikta persuades them to dismount and use their shields. In the midst of the Sinack attack, a group of unknown assassins appears out of nowhere and heads straight for the Lieutenant General! They're heavily armed and highly trained, but can Yatori stop them in time?