A terrorist drives a car to Hamburg's Rathausmarkt and unloads an unknown device that he claims can cause radioactive contamination. A special unit tries to subdue the man, but this reveals that the only way to prevent the explosion is to constantly readjust a transmitter, so they have to let him go.

• ZDF
• Michael Degen
• Rolf Becker
• Matthias Fuchs
• Siegfried W. Kernen
• Ulrich Matschoss
• Dietrich Mattausch
• Franz Rudnick
• Wolfgang Wahl