Shima Sakon was a brave and honorable samurai, and grandfather of Yagyu Yoshikane (Yagyu Renyasai). He was a capable subordinate of Ishida Mitsunari, and fought against Tokugawa Ieyasu in the battle of Sekigahara. Some history books tell us Sakon had died in that battle. Others say he survived and escaped to Kyoto with the Yagyu family. And others…?