The series tells about the life of the business center "Nightingale", in which the private security company "Kedr" works. Lev Borisovich, the head of the PSC, is, as he himself believes, not only a guardian of material, but also moral and ethical values. In his subordination are four guards - Fedya, Tolya, Slava and newcomer Andrey. Andrey dreams of becoming a rock star, so he does not value the w...

In each episode, Sergei and Nadia Nesterov discuss with a psychologist the problems of a large family: the midlife crisis, Tamara's grandmother's manipulations, the teenage dilemmas of Katya and Vasilisa's daughters, the hyperactivity of Misha's son. But the main thing they come to a specialist for is to save a 17—year marriage.