April, 1590: Hideyoshi finally launches his campaign to conquer Hojo’s Odawara Castle. Meanwhile, Kanetsugu and the Uesugi forces attack Matsuida Castle, but due to Hojo’s vassal Daido Masashige’s strong defense, a stalemate of advancing and retreating ensues.  Kanetsugu has a secret plan, however; he takes a dog with him and enters the mountains.  That moonlit night above a hill, Kanetsugu hears beautiful sounds of someone playing a flute.
on a mountain castle like this 
without controlling their water first.
un château en montagne comme celui-ci
 ne tiendrait pas.
a única maneira de vencer um 
cerco é controlando sua água.