The TV series "My Mom Against" tells the story of a complicated love triangle that involves a mother and daughter from the same family. Valentina is a beautiful and charming woman who is not yet forty. She works as a university professor and raises her sixteen-year-old daughter, Olya. One day, Pavel, Valentina's best graduate student, confesses to her that he is deeply in love for the first time in his life. Valentina is convinced that the young man is talking about her. However, it never crosses her mind that he is actually attracted to her daughter, Olya.