Only three years of happy family life fell to the lot of the main character of the novel, Valya. It would seem that nothing happened - her husband, a successful businessman Vadim Belov, is still attentive to her and his son, and there is no direct evidence of his infidelity. But her unmistakable feminine instinct did not deceive her, she just doesn’t know who this homewrecker is who has encroached on their happiness. But the homewrecker does not know that she herself has been cruelly deceived - after all, Vadim told her that he was free. Who will ultimately win? And will this be a victory?..