Enjeru dasuto (1997)

Every Monday at 6 pm a young woman is murdered in the subway. The psychiatrist Setsuko Suma is called in to assist the police. The trail leads to another psychiatrist - Dr Rei Aku - who Setsuko used to date. As she get closer to the solution, she gets more and more convinced that Aku's deprogramming of former sectmembers is important.