26-year-old Sergei always knew that he had a younger sister, whom his mother abandoned 23 years ago. But he was shocked when he was called a brother by a beautiful Spaniard from sunny Castile. The man was sure that his sister was adopted by a wealthy family from a neighboring town. Paula-Alina Garcia Diaz came to Russia for the first time to look into the eyes of the alleged biological mother and find out the whole truth about her birth. How will this fateful meeting turn out?

A resident of Chelyabinsk is looking for a younger sister, whom she saw only once from the window of the maternity hospital. The sisters' mother died during childbirth, and the father simply disappeared. It is known that the girl was named Galina in honor of her deceased mother and given to a foster family. Will her fate be known 52 years later?