Movie adaptation of the 1959 ninja novel. With war against Korea looming on the horizon, Hideyoshi Toyotomi, the 'Taiko' becomes the target of an assassination attempt to be carried out by the Iga Clan of ninja spies. Master spy Juzo Tsuzura (Ryutaro Otomo) is assigned the task, but first he must defeat a former Iga spy who has become a traitor, and outwit the treacherous woman that is trying to seduce him.
Owls' Castle is a 1999 Japanese ninja-themed jidaigeki film directed by Masahiro Shinoda. It was co-written by Shinoda and Katsuo Naruse, and stars Kiichi Nakai It is the second adaptation of Ryōtarō Shiba's 1959 novel Fukurō no Shiro, the first being the 1963 film Castle of Owls.
