Father Murphy - Season 2 Episode 2 The Father Figure

A mother delivers her son to Gold Hill, saying that he's been incorrigible in school. The real reason is that his father is a child abuser and the mother fears for her son's life. When the father comes after the boy, Murphy intervenes and accidentally kills the man while trying to restrain him. Murphy faces the crisis he's feared all his life—that his great size and strength might kill if unleashed.