The film tells the story of a man trying to find his wife's killer. Returning from a business trip, Yılmaz finds his wife Gülsüm dead. The police then arrive and arrest Yılmaz. At the trial, two neighbors falsely testify against Yılmaz, accusing him of the crime. To avoid being arrested, Yılmaz pretends to be insane. This allows him to avoid going to prison. However, he is admitted to the hospital. Yılmaz will escape from the hospital and attempt to find the killer.