Based on historical events leading up to the end of the Sengoku Jidai, the era of the warring states at the end of the 16th century in medieval Japan, Gorin follows the path of a lone Samurai Miyamoto Musashi. Through bloodshed, death, betrayal, treason, and civil war, the impermanence and brutality of medieval Japan is brought to life in this epic story where the battle for the soul of Japan takes place.