The plot centers on the story of four graduates and friends: Luba, Anya, Sonya and Alina. At the age of seventeen, they dream of a bright and happy future. It seems to them that the whole world is open and ready to embrace them. It's the summer of 1940. And the young heroes face a war that will make them grow up too quickly and realize that only true love helps them not to break down and withstand the most severe trials.