The Shogunate closes off the path to Kongokaku because they are wary of Biba and the support he's managed to garner. Biba seeks an audience with the Lord of Iwado Station, though with less than pure intentions.
Brother, wasn't I opening the gate 
to let everyone on the Kokujyo in?
أخي، ألم أفتح البوّابة ليتمكّن راكبو
 الكوكوجيو من الدخول؟
Hermano,
Hermano,
J’ai ouvert la porte
pour abriter le Kokujô !
Fratello, non dovevo abbassare il ponte
per far entrare tutti noi del Kokujyo?
Irmão!
Скажи.