Innerdeutsche Grenze
Border Troops' soldier Martin arrives in a village on the Inner German border. He falls in love with a local girl, Renate. Their relationship is opposed to by her father, who promised her to the son of farmer Grabow. When Grabow plans to leave to the West with the aid of the corrupt officer Zimmer, Martin discovers their plans and informs his superiors, although Zimmer was his friend.