24 hours on the border between East and West Germany. In an outlying West Berlin district, police officers chat about their personal lives, take care of petty offence and at most, warn the odd rubbernecker away from the border to the “Soviet zone”. Meanwhile their East German counterparts are under enormous pressure. The day begins with disciplinary action after one of the border guards was found sleeping on duty. The supervisors demand utmost vigilance and a solid ideological bent, and suspicion and mistrust are the rule within the ranks of these soldiers of the National People’s Army (NVA). Unnoticed by the soldiers, four East Berlin students are preparing to flee to the west. But in the morning mists, only their accomplice, an NVA private, succeeds …