Famous detective Kindaichi solves a series of mysterious murders in a wealthy family. An excellent blend of intrigue and betrayal, set against the backdrop of wealth, this film is loaded with twists and turns and surprises at every corner.

The film depicts the exploits of Kindaichi Kosuke, who pursues a series of serial murders that occur one after another along with the terrifying melody of a flute.

Eiso Tsubaki, a former aristocrat, was suspected in a murder case in Ginza and committed suicide. Detective Kindaichi Kosuke, who is commissioned by Tsubaki's daughter, Mineko, and believes in her father's innocence, witnesses a bizarre fortune-telling session at the Tsubaki mansion. That night, another murder occurs within the mansion. A visual adaptation of Seishi Yokomizo's gothic horror.