Synopsis

In a psychiatric clinic for rich women, dies murdered, one after another, a nurse and two patients, while an arrow hit another woman. The guilty is a masked man. The police decide to set up a trap, but the line of murdering isn't still over.

In a psychiatric clinic for rich women, dies murdered, one after another, a nurse and two patients, while an arrow hit another woman. The guilty is a masked man. The police decide to set up a trap, but the line of murdering isn't still over.