Long before Sensei Ki-Yaga built the Cockroach Ryu, he travelled to China and studied at the Shaolin Temple in the north-western Song Shan Mountains. Sensei promised to return to help the abbot in the Temple's time of need. When the Samurai Kids learn that the abbott has a treasure in need of safekeeping, they set off on a journey to China.Long before Sensei Ki-Yaga built the Cockroach Ryu, he travelled to China and studied at the Shaolin Temple in the north-western Song Shan Mountains. Sensei promised to return to help the abbot in the Temple's time of need. When the Samurai Kids learn that the abbott has a treasure in need of safekeeping, they set off on a journey to China.