Impoverished chorus girl Sally Trent checks into St. Anne's hospital as a charity case, and gives birth to a baby girl. Eventually, she is forced to give her daughter up for adoption because she unable to support her. After some hard luck, Sally becomes a notorious torch singer known as Mimi Benton, but while she is at her boyfriend's radio station, she fills in for the narrator of a children's hour and becomes the favorite of children all over the country. One day, the father of her child, Michael Gardner, returns from China and sincerely attempts a reconciliation, but Sally has seen too much of life to take him seriously. Doing the radio show touches Sally's heart, however, and she hires a detective to find her long-lost daughter. The detective comes up with nothing, and forlorn, Sally retreats from the world in a drunken stupor. With the help of her radio broadcast, Sally finds her daughter with Michael, who has just adopted her, and they reconcile.