Sylvia's youth was unhappy. Insecure and lonely, the girl tries to assert herself among her peers. One day, finding herself in the company of frivolous friends and wanting to prove to them and herself her courage and relaxedness, she enters into a short relationship with an unfamiliar man. A child is born... Several years pass, and Sylvia again meets this man who does not recognize her. The reader will find out how the exciting events of the novel develop further after becoming acquainted with the fates of its heroes.