After graduating from finishing school, Helen Wainwright moves in with her aunt, Mrs. Wainwright, who wants her to marry millionaire Lee Morton. Meanwhile, Helen renews acquaintance with her childhood sweetheart, Donald Scott. Lee parts with his mistress, Lillian Lord, and becomes engaged to Helen. The day Helen is to marry, Donald returns from a business trip and takes her on a boating excursion; they are stranded on an island and compelled to remain there overnight. The enraged Lee breaks the engagement and returns to Lillian, leaving the lovers free to wed.