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 work of a security guard, but on the very first working day he meets Snezhana, a spa worker, and slowly gets drawn into the workplace of the business center. It is not an action movie with Jason Statham, it's just a story about a couple of days from the humble life of the guards of the Nightingale business center.

For Ira Kolchina, everything is working out perfectly. The girlfriends are not in vain envious of her: Professor Fedorov himself offered yesterday's student work in his own clinic. Moreover, Irina will soon become a general daughter-in-law, will live in honor and affluence. But not everything came true, as dreamed. The main in the family is Izolda Genrikhovna, general. She sincerely believes that Irina should not forget about which family she was “taken” to, be thankful and behave accordingly ... Who will win in an unequal battle - a daughter-in-law or a mother-in-law?

Anya has a great joy — she wins the beauty contest. It would seem that a great reason for happiness, but there is bad news: taking advantage of the circumstances, Rita's friend decides to get the groom Ani Andrew. Rita's plan is only partially fulfilled, but it is enough for Anya and Andrei to part. Anya went to Moscow, Andrew accepts a job offer and should also be in the capital. And at a time when it seems that each of them has found a new soul mate, fate pushes them together again.

Kira Georgievna is a famous sculptor. She has a loving husband, friends, and fans. She seems quite happy. But one day the past breaks into Kira's well-adjusted life: Vadim, her first husband, appears. In '37, he was repressed and spent 20 years in camps.

Lyuba Solovyova becomes a witness to the accident, after which Pavel, unfamiliar to her, also Solovyov, ends up in intensive care. In the hands of Luba is his son Shura. Lyuba comes to the hospital, where she is mistaken for Paul’s wife. Unable to abandon a child who does not have a mother, and his father is in a coma, the woman decides to wait for Shura's grandmother to arrive from Germany, and for now, she assumes the role of wife and takes care of Pavel. Perhaps there are personal reasons for this: the whole situation unfolds against the backdrop of a break with her husband Sergei, who is sure that no one needs Lyuba, which means that you can behave with her as you like. And it is important for her to feel necessary - even if it is for an occasional person.