It was based on a historical fact in a time between Akechi MITSUHIDE driving Nobunaga ODA into death and Hideyoshi TOYOTOMI killing Mitsuhide, extracted from "Shinsho Taikoki"and "Ehon Taikoki"and staged.
明智光秀が織田信長を討ち死にさせた後、豊臣秀吉が光秀を討つまでの史実を、『真書太閤記』『絵本太閤記』からとり脚色したもの。