The main character of the Russian melodramatic mini-series "The Idealist" is named Sofia Kovaleva. Until recently, everything was going well in the young woman's life. However, in a short period of time, she lost both her beloved job and her husband, who left her and their daughter for another woman. Now Sofia has to urgently find a job to support herself and her child. During this time, an old acquaintance crosses her path. Despite becoming a successful businessman, he has not forgotten childhood grievances.