Life, as you know, is not easy, and every person, even if he is a policeman, may have his own secret. Two work in the police, and they have their own skeletons in the closet. Lieutenant Elena Nikolaeva, while studying at a law school, worked in the evenings as an escort to pay for treatment for her sick mother. Major Olga Kirsanova, an experienced hereditary police officer, had a nervous breakdown after being accused of killing her husband.