Badly mistreated by her father, Nellie Horton is taken in charge by Thomas Lipton. She grows up in poverty not knowing her true identity as the heiress to her mother's millions. Upon the death of her benefactor, she becomes a model in a fashionable shop. There she falls into the hands of her mother's unscrupulous nephew, who contrives to do away with her in order to obtain her fortune. His final plan to destroy her is foiled when her lover, Jack Carroll, rescues her from the tracks of a speeding train. Finally, Nellie is reunited with her mother and finds happiness.