Down-and-out samurai Ryudo Konosuke has a supernatural gift, but it is a power that has ruined his life. After his wife Tsuki is abducted by an onmyoji sorcerer, Konosuke tries to get on with his life. Struck by a curse that affects his memory, he can't remember who Tsuki was. Then he meets Aki, a young medium whose powers may help Konosuke recover his memory, and help him look for Tsuki. Konosuke's persistence draws the ire of the dark servants of the Bureau of Onmyo, who have orders to eliminate him...