Desc: Sieben Tage Frist: Directed by Alfred Vohrer. With Joachim Fuchsberger, Konrad Georg, Horst Tappert, Karin Hübner. Kurrat disappears after fight with teacher. Police investigate his relationships with students and staff. Suspicions of foul play arise when deaths occur. Kurrat reappears, adding to mystery. Solution tied to past events.