Episode Title:Old Wounds.Episode Description:While Korra learns metalbending from Suyin, Lin confronts memories of her youth: as a young police officer, she was scarred by Suyin while apprehending her at a crime scene, and their mother Toph covered up the incident before sending Suyin away and resigning as police chief. After a violent confrontation, the sisters reconcile with one another. Meanwhile, Zaheer and his crew escape Republic City after a car chase with police and Zaheer, who proves capable of entering the spirit world, ascertains the Avatar's whereabouts.