Poor abused Nora runs into privileged bored Beatrice while wandering onto the rich girl's family estate. Both girls notice the uncanny resemblance between each other, so they decide to switch places. However, trouble soon arises for both girls in their new roles.

M'liss, raised in the mountains as an unruly tomboy, is orphaned and is offered "protection" by Calaveras John and Johnny Cake, friends of her father's murderer. She shows no interest in anything until the new schoolmaster persuades her to tidy herself and get some education. Believing the schoolmaster to be in love with some other girl, M'liss decides to run off with another man.

The adopted Irish daughter of the Rosensteins, Second Avenue pawnshop owners, Rose is much sought after by Tim McCarthy, a wealthy Irish contractor many years her senior. Meanwhile, Nat, her adopted brother, is accused of stealing from his firm and is arrested and put in jail; Rosenstein, heartbroken, becomes seriously ill.

Jerry O'Donnell arrives from Ireland to be with her father in America. However, she soon finds living with her stepmother unpleasant, Jerry leaves home and encounters John Garland, a millionaire, now a widower, whom she knew in Ireland.

While working in an overall factory Mary Ann McKee sends mash notes in the overalls prepared for shipment. She is involved in a robbery perpetrated by her boyfriend, Red Mike, but escapes and goes to the town from which she has received an answer to one of her notes.

The Most Shocking Film of 1923! Directed by Herbert Blache, The Untameable dramatizes the then-sensational subject of dual personality, with Gladys Walton in the dual role of Joy and her whip-toting, brutal, sadistic alter-ego Edna, and Etta Lee as her faithful Asian lesbian maid.