I love Kurosawa's the hypnosis device (sounds, visuals of water and flames)
Cure (キュア, Kyua) (original name: CURE) is a 1997 thriller film directed by Kiyoshi Kurosawa, starring Koji Yakusho, Masato Hagiwara, Tsuyoshi Ujiki and Anna Nakagawa.
Yakusho plays Kenichi Takabe, a police detective investigating a series of bizarre murders. Though each victim is killed the same way, with an X mark carved into their neck, the perpetrator seems to be different every time. In every case the murderer is caught close to the scene of the crime, and though they readily confess to committing the murder, they often have no motive and cannot adequately explain what drove them to kill.
Eventually Takabe catches up with a man named Mamiya. Mamiya appears to have extreme short-term memory loss; he is constantly confused about what day it is, where he is, and what his name is. It is revealed that Mamiya is the common thread between the murders, as each person he comes in contact with seems to commit a murder shortly thereafter. Takabe catches Mamiya and finds that he used to be a...