This is a theatrical continuation of the Sengoku Basara anime series which itself was inspired by a Capcom video game series. It will be released in Japan on June 4, 2011.
The film is set in the Warring States period, after the reign of Toyotomi Hideyoshi, but before a new leader takes his his place. Ishida Mitsunari seeks to avenge Toyotomi and appears before Date Masamune. Meanwhile, Tokugawa Ieyasu pledges to unify all of Japan under his rule as military commanders gather for the decisive Battle of Sekigahara.