When three women with no previous acquaintance kill a male shopkeeper in the middle of the day, the female psychiatrist assigned to the case sets out to understand why.

Gekkenbriefje (Alternatively: Crazy Going) is a 1981 Dutch film directed by Olga Madsen. It is based upon the book "Zorg dat je een gekkenbriefje krijgt" by Ger Verrips. It was the first movie that Olga Madsen directed. The film is about a Dutch soldier who does not agree with the Dutch politics surrounding the Indonesian War of Independence.