Abby Bernard dotes on her black-haired, cheerful daughter, who is so unlike neither her nor her ex-husband. But one day she accidentally finds out that the girl was replaced in the hospital, and decides to find her own daughter, worrying about her fate. Her search leads her to Logan O'Connell, a widower with two children. He adores his blond Ernie and is absolutely not ready to believe that she is not his own daughter. Now Logan and Abby have to work together to find a way out of a difficult situation, because the main thing for them is not to destroy the peace and happiness of the children.