The central character of the story is a young girl named Katerina. She was unlucky with her mother, who turned out to be too fond of men. Her infatuation with yet another suitor left Katerina on the streets. She had to learn to take care of her own life. She applied to an aviation college to become a flight attendant, but her plans were disrupted by her acquaintance with Leshya. Katerina fell in love and gave birth to a daughter. Leshya abandoned her, and she was left alone with the child. Realizing that she wouldn't be able to provide for her daughter, Katerina gave her up...