Hívójel (1980)

Sándor Szániel MÁV traffic controller manages to collide 2 trains by press the wrong buttons on the control panel on the night before Christmas, causing the deaths of 52 people. Dr. István Pálos lawyer believes his guilt from the very beginning, just like Szániel himself. But when searching for causes, the case become a study of working under pressure, and its absolutely not just a mistake of one person. But Szániel wants to be punished. Based on true events.