A troubled teenage sharpshooter decides to avenge the death of her estranged sister after she is found murdered in a public bathroom. A troubled teenage sharpshooter decides to avenge the death of her estranged sister after she is found murdered in a public bathroom. A troubled teenage sharpshooter decides to avenge the death of her estranged sister after she is found murdered in a public bathroom. A troubled teenage sharpshooter decides to avenge the death of her estranged sister after she is found murdered in a public bathroom.