On the way to summer camp, eleven-year-old Lena develops a crush on Wolfgang, but Antonia is interested in him too. Although Lena and Wolfgang grow closer to each other, camp director Eichler disapproves of their relationship and tries to split them up by assigning them to different groups. The conflicts escalate until one night, during a disco event, Lena suddenly runs away.
"Je t'aime, Chérie." These three words and a Bulgarian volleyball jersey is all Martina, a young working woman from Berlin, is left with after a night at the beach spent with a mysterious lover. But then she learns that she is pregnant, and once the baby is born, she starts for Bulgaria to search for her son’s father. The orderly yet diffident Thomas, an employee of the embassy of the GDR, joins her in order to provide diplomatic support. The quest, however, turns out to be rather difficult.