Desc: After Your Own Heart: Directed by George Marshall. With Tom Mix, Ora Carew, George Hernandez, William Buckley. College athlete Herbert Parker arrives from the East to take charge of his Arizona ranch, and discovers that Luke Bramley, owner of a neighboring ranch, is contesting Herbert's rights to a valuable source of water. However, Herbert is in love with Luke's daughter, Loretta, and accepts a job on the Bramley ranch. Herbert uncovers a plot by ranch foreman Tex Marole, who plans to kidnap Loretta with help from a gang of desperadoes. In the ensuing battle, Luke's men employ automobiles to attack the villains. As Tex's victory seems imminent, Herbert drives onto the scene with a lasso, while Luke drops dynamite from an airplane. After defeating the outlaws, Herbert marries Loretta and invites her father to live with them.