Georgina Peters is constantly reproached by her mother for her hoydenish manners, and she persuades her to emulate her sister, Louise. Louise is infatuated with Chalmers, a society man, but unknown to her is a crook at heart. Georgina is in love with Dick Rogers, a young physician. Louise receives a valuable necklace which she shows to Chalmers, who later plans with two of his pals to get possession of the jewel. Rogers invites the mother to his home and tells her that her daughter, Georgina, is now old enough to keep company, but the stern mother refuses. Rogers receives a letter from Georgina telling him to take her to his mother's house or else she will go herself. At the same time Chalmers is the recipient of a hastily scribbled message from Louise, saying that she is ready to elope with him. Rogers complies with the request and after spending a pleasant evening he escorts her safely to her home. As Georgina is retiring that night she is surprised to see her sister about to elope with Chalmers. Georgina stops her and the villain Chalmers leaves, disgusted. Hearing their mother approaching Georgina hurriedly dresses in her sister's clothes to convey the impression that it was she who had intended to elope. The irate mother orders the girl from the house. After Georgina has left the heartbroken mother is told the true state of affairs by Louise. In the meantime Georgina has been invited to take an auto ride by Chalmers and his friends, who found the girl by the roadside. Bringing the girl to their retreat they force her to write a note to Rogers saying that she is safe and that she would like him to meet her at the masqued ball, she being dressed as Pierrette and he to be dressed as Pierrot. When Rogers receives the note he quickly dons his masque and is soon at the ball, where he is captured by Chalmers and his confederates. They force him to sign a check for a large amount of money. To refuse would mean the death of Pierrette, so he makes a check out to their order and signs it. But the villains have not reckoned with the others who have seen the abduction and followed. The crooks are arrested and Rogers brings his sweetheart home to her penitent mother, who forgives all.
