Kabuto

In the 17th century Japan is divided between two forces. The eastern army lead by the Warlord Tokugawa Ieyasu and the western army which fights for Toyotomi's clan. Despite wining a recent battle, things look grim for the eastern army. Toyotomi's army has a supply of modern firearms, a weapon which might turn the tides of war. Tokugawa Ieyasu send his trusted samurai Mayeda and his son Yourimune to Spain. There they are to purchase 5000 muskets. But it's a dangerous journey and there are many who plot against them. And when they finally arrive in Spain, nothing goes the way they expected. - IMDb