When a single phone call is the difference between life and death: Jan May holds five hostages captive in a radio studio and plays a perfidious game of amok with them every hour. If a caller answers with the wrong slogan, a hostage is killed. Criminal psychologist Ira tries to stop the hostage-taker from killing and to meet his demands. But what nobody suspects is that Jan seems to have a personal connection to the psychologist...

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