Since childhood, Lyubka grew up on the streets among thieves and con artists. She had to survive in harsh conditions. Irina, on the other hand, was raised in a well-off family, lacked nothing, was surrounded by parental love, and did well at school. Fate decides to bring together these representatives of completely different worlds. After graduating from medical school, Ira is assigned to a small provincial town. At the same time, Lyubka is released from prison. With no other candidates available, Irina hires the former convict as a nanny for her young daughter. For some reason known only to herself, Ira trusts Lyuba completely, shocking those around her. Difficult trials await them both, and time will tell whether Irina was right in her choice or not.