Successful lawyer Anna Kalinina is going to marry designer Nikita, with whom she is expecting a child. But literally on the threshold of the registry office, the groom leaves her, exchanging her for another. Anya plunges headlong into her work, and suddenly she gets a case... of her ex, who is accused of murdering a nanny in the house of businessman Aleksander Sobolev. Nikita's mother begs Anna to help her son, because he is the father of her child.