The best Fumio Watanabe’s thriller movies

After the mysterious death of her mother, Maya takes religious vows to find out what terrible things happened to her mother inside the Sacred Heart Convent. As soon as the door closes to the nunnery, the nuns start torturing her. She also has to deal with a lecherous archbishops and a lesbian mother superior.

Terry is a tough mercenary and a master of martial arts. When an important business magnate dies, leaving billions to his daughter, the Mafia and Yakuza try to hire Terry to kidnap the daughter. When they refuse to meet his exorbitant price, then try to kill him to conceal their secret plans, he promptly offers his services to protect her. Much ultra-violent martial-arts fighting action, as expected, ensues. This also includes a subplot of a family's blood-feud with Terry over a disputed debt.

After being cruelly set up by a crooked detective named Sugimi (Isao Natsuyagi), whom she loved, Nami Matsushima (aka Matsu the Scorpion) (Meiko Kaji) is sentenced to do hard time in a women's prison, which is run by sadistic and horny male guards. There are 700 other prisoners, making Matsu number 701. Her crime was making a failed attempt to stab Sugimi on the steps of the Tokyo Metropolitan Police Headquarters because he used her to win favor with the Yakuza. While in prison she meets inmates like Yuki Kida (Yayoi Watanabe) who was committed for fraud and theft, Otsuka (Akemi Negishi), jailed for burglary and extortion, and Katagiri (Rie Yokoyama) who has been impounded for arson and illegally disposing of a body.

One of the Japanese Shinkansen “Bullet Trains” is threatened with a bomb that will explode automatically if the train slows below 80 km/h, unless a ransom is paid. Police race to find the bombers and to learn how to defuse the bomb.

Matsu, known to the prisoners as Scorpion, is locked away in the bowels of the prison as revenge for disrupting the smooth operation of the prison and for her disfiguring attack on the warden. Granted a one day reprieve due to the visit of a dignitary, she takes advantage and attacks the warden again. This leads to more brutal punishment and humiliation. But the punishment gives her an oppurtunity to escape along with six other female prisoners. Their surreal flight from prison pits the convicts against the guards, the warden and each other.

Michio Yamada, a recent school graduate, is sent to Tokyo to work as a fruit-packer in a department store as part of a government programme. He takes a gun from a house on an American base and uses it to kill several people. The scene changes to Yamada's childhood. Yamada is born the child of a reprobate and a weak-willed woman. As a boy Yamada, experiences poverty and the rape of his sister at first hand.

Akiyama is an intern, disgusted with the noise pollution caused by the bullet trains and the heart attacks that noise has been causing in older hospital patients, plots to disrupt and, in ten days, destroy a unit of the operation. He warns the Japan National Railway, that, if nothing is done to reduce the noise, he will derail a bullet train. Takigawa is the police detective sent to stop him.

Goro Fujikawa (Tetsuya Watari) was indebted to Mitsugimoto. Sawada, a low rank yakuza with a gambling problem owed Mitsugimoto three million yen. This equation can only lead to one answer. Mitsugimoto needs to pay and Goro's coming to collect.