Dorinda, a mountain girl, left alone by the death of her parents, is adopted by distant relatives, Mr. and Mrs. Greer. Mrs. Greer is not overjoyed by this addition to their family, because all her mother-love and affection is given to their only son, Harvey, just finishing a term at college. Shortly after Dorinda is taken into the family, Harvey returns home and becomes interested in the girl. Dorinda goes into the garden to gather some flowers, and Harvey finds her there. While arranging the flowers, he notes a sprig of rosemary and asks her if she knows the ancient meaning of the word. She replies in the negative. So Harvey proceeds to bring out a volume of Shakespeare and turning to Hamlet, reads the lines of Ophelia in the fourth act, quoting: "There's Rosemary, that's for remembrance, Pray love, remember." Dorinda and Harvey become deeply interested in each other. A definite love affair, however, is averted. A former college friend obtains for Harvey an appointment as attaché with a diplomatic representative. The departure of Harvey to Washington is a blow to Dorinda, who cannot bear to say good-bye, so she writes him a short note. Harvey takes from the flower garden a sprig of rosemary, which he puts in a flower pot and leaves it at Dorinda's door as a parting remembrance. Dorinda cherishes the sprig of rosemary. Harvey becomes busy with his new duties and forgets his former sweetheart. One evening at an embassy ball, he becomes attracted at the first sight of a beautiful girl, one of the guests. She is also interested in Harvey, but coyly avoids him, although she encourages him by dropping a blossom from her bouquet, feeling sure that he will take up the gage thus thrown down, for seeking a further acquaintance. Little Dorinda is forgotten. The unknown coquette finally rewards Harvey with a smile, but shortly afterwards she leaves the embassy ball and Harvey despairs of ever seeing her again. He returns home for a week-end visit with his family and at church Sunday morning is astounded and delighted to see the beauty of the Washington ball room in the congregation. Then he discovers that her name is Margaret, and that she is visiting her aristocratic relatives, the Pryors, who are neighbors of the Greers. General Pryor introduces Harvey to the beautiful unknown and invites him to call at their residence. Harvey is delighted and loses no time in furthering his acquaintance with Margaret. His infatuation is noticeable, especially to Dorinda, who becomes heartbroken and downcast. A reception is given at the residence of the Pryors one evening, and Dorinda, who has not been invited, enters the grounds and peering through the window, discovers Harvey upon his knees before Margaret, making an avowal of his love. A short time after, while Margaret is in the woods sketching, she sees a picturesque old man taking a drink of water from an old-fashioned well. She proceeds to sketch him and when Harvey finds her there she shows him the sketch and asks him who that picturesque old man is. Harvey replies without shame, that it is his father. She is at first incredulous, but when she discovers that Harvey is manfully speaking the truth, her affection for him becomes lukewarm. One night Margaret is left alone with the children in the Pryor residence, and one of the little ones become seriously ill. Not knowing whom to summon for help, she sends a note to Harvey begging him to procure a doctor at once. Harvey shows the note to Dorinda, and asks her to help save the life of the child by going at once to the Pryor residence and giving such aid as she can administer until the arrival of the physician. She demurs at first, but finally rides off on horseback. On the way her steed is frightened by an automobile and she is thrown violently to the ground. When Harvey and the doctor arrive upon the scene in an automobile they find Dorinda unconscious, and carry her at once to the Pryor residence where she is restored to consciousness. Harvey is overcome by the accident and his heart at last tells him the truth. It is Dorinda whom he loves. Margaret finds them together and realizing the situation, resigns all claims to Harvey.