Doctor Mats Krueger could not refuse his daughter Nele's request to be with her when her first child was born, and reluctantly decided on a long flight from Buenos Aires to Berlin. The doctor was terribly afraid of flying and did not expect anything good from this trip, but even in his worst dream he could not imagine what a nightmare it would turn out to be for him. At an altitude of nine thousand meters, he was informed that his pregnant daughter was kidnapped, and he must find his former patient on the plane and provoke her into crazy actions, otherwise Nele would die. In the closed space of the plane, Mats solves the problem of how to save his daughter and not commit a crime, and on the ground, a woman who once loved him tries to help him ...