During the Sengoku period, when many warlords fought for supremacy, Sanada Masayuki twice defeated the Tokugawa army at Ueda Castle, making his name known throughout the country. However, it was not easy for the Sanada clan, a small, powerful clan in Shinano, to survive the turbulent times. What was the reason for the Sanada clan's survival during the turbulent Sengoku period? This is the story of Sanada Masayuki, a strategist who was described by Toyotomi Hideyoshi as a two-faced man (meaning a man skilled in scheming).