The protagonist of the melodramatic series "From the Closed Circle" is Ksyusha, a student who dreams of becoming an architect. She is young, beautiful, and fearless, and has many admirers. Her classmate Mark has been deeply and unconditionally in love with Ksyusha for a long time, but she prefers an older man, businessman Boris. After just a month of their relationship, he proposes to her, but the first few weeks of their marriage make Ksyusha see things differently. Boris turns out to be a jealous tyrant, keeping his young wife in a gilded cage.