Medieval Japan. An evil daimyo lord has stolen the treasures of Imperial family and hidden them in his castle in an attempt to seize power. As a young Shinobi apprentice, you have decided to sneak into the castle, recover the treasures and return them to their rightful owners to bring prominence to your clan. However, a member of a competing clan has also discovered daimyo's scheme and is on the same mission as you. Do whatever it takes to be the first to recover stolen items and bring honour to your