Set in an alternate feudal Japan where mechas and giant airships are a common thing for humans to see. With in this time period is a small village that gets raided by bandits during every harvest season. The villagers can't take it anymore, so they decided to send out some volunteers to the city to recruit some samurai to help defend their land. In exchange for defense, the samurai that get hired for the job will receive rice for free of charge. (imdb)