Single mother Svetlana Zvantsova is an ambulance paramedic in a small town. She has long been accustomed to relying only on herself. But one day she still has to ask for help, because her son's life is at stake.

Denis gets into an accident. A local surgeon performs a miracle, saving the boy's life, but it is not enough. Denis cannot feel his legs, he urgently needs an expensive operation. A friend advises Sveta to contact Igor Dobrovolsky, Denis's father, who does not even suspect the existence of his son. However, she has no other choice. Having turned to the Dobrovolsky family, Svetlana gets caught in a whirlwind of intrigue, betrayal and lies. Only Andrey, the brother of the deceased Igor and her first love, can help her.