The Vow

In the Kentucky mountains, a rejected suitor shoots and kills a young woman's husband and vows to kill her infant son when he becomes a man. The woman vows vengeance. Years later, she and her son are part of New York's fashionable crowd. The woman is upset by her son's questions regarding his past, his desire to visit the Kentucky mountains and his unconscious handling of a gun. During a society party, she has visions of her son's return, and the threat to his life because of the feud. After a professional dancer at the party is revealed to be her husband's killer, the dancer is accidentally shot and killed when a gun dropped on the floor discharges its bullet into his body.