Herbert Grayson has timber holdings in a Southern state. One of his mills is burned, and he accuses Len Mathis, a young mountaineer. In trying to avoid arrest Len is killed, and old John Mathis, his father, swears to shoot Grayson or any member of his family on sight. His young daughter, Renie, makes the same vow. Grayson is anxious to gain control of lands owned by Mathis, Grayson's nephew, Eric Southard, volunteers to effect the purchase.