The students go to battle with foes from Tres Espana and learn the motivation behind the attack. But when they search for an ally, they discover it may do more harm than good.
Negotiations between the Musashi students and the English heat up as Shirojiro suggests an unusual solution. Meanwhile, Tenzo learns the identity of the cloaked stranger.
A series of duels pits Musashi students against their English counterparts, but there may be more to these exhibitions. Meanwhile, feelings strengthen between the two couples during the festival.
Tenzo risks everything to rescue Mary, but she's not yet sure she should be saved. Meanwhile, the Musashi students face a new round of attacks in the naval battle with Tres Espana.
