When Lord Murashige Araki rises up against the tyrannical Nobunaga Oda, he finds himself besieged within the walls of his own castle. Isolated, he is confronted with a series of mysterious crimes that shatter the fragile order of his court, plunging the fortress into fear and suspicion. With Oda’s army closing in and a traitor hiding among his ranks, Murashige is forced into an uneasy alliance with Kanbei Kuroda, a brilliant yet dangerous strategist held prisoner in the dungeon. Helped by his wife Chiyoho and his most loyal generals, Murashige must uncover the truth before the castle falls. Based on the novel “Kokurojo (The Samurai and the Prisoner)”, by Honobu Yonezawa. Presented at the Cannes Film Festival.