When 17-year-old Angelika moves to Leipzig, she is forced to rent a room at Mrs. Häublein’s for a start, since her parents will not follow until a few months later. Fellow tenant Thomas, a philosophy student, is not at all enthused about his new, pretty housemate. Because of Angelika he has to move into a smaller room. Furthermore, he is annoyed at her many male acquaintances, without sensing that his aggression might be prompted by jealousy. When Angelika’s father comes for a visit, he asks Thomas to keep an eye on his daughter. Thomas takes this assignment very seriously and finally realizes that he has fallen in love with Angelika.
In November of 1939, the British consulate in Norway receives documents saying that the Nazis are conducting secret rocket research in Peenemünde. But the British doubt the authenticity of the so called "Oslo report". Thus, the Germans continue their experiments unimpeded. At the same time, resistance groups from France, England, Poland, and Germany try to find and to sabotage the secret Nazi research base. When the first "V 2" rocket is successfully launched, the Allied commanders finally become interested in the "Oslo report".
The plot is based on the dramatic fate of the Red Army commander Aleksei Ivanovich Pavlov. Having been captured in January 1942 and being among the displaced persons, he didn't immediately decide to return to the USSR. Having rolled around the foreign country for 17 years, Aleksei nevertheless returned to his homeland. He goes to his brother in the south of the country to Sevastopol. Aleksei accidentally meets the doctor Anna Andreyevna, who was saved from death in besieged Leningrad. She travels by car from Moscow and also to the south, with her daughter Tanya; she suggests he join them. Aleksei tells about his life on the road.