A sword arrives mysteriously by mail at your aikido dojo in ancient Kyoto. Shortly afterward, strange events and even stranger weather disrupts life at the school. Is it a coincidence, or is it a fabled, ancient samurai sword with magical powers that went missing many decades ago? You and your friend Nada will need to trace the sword's curse to understand if it is a relic worth protecting. Without warning, five ninjas attack. Are they after the dojo's sword, or something more?