“She’s tougher than she looks. She feels comfortable in the vulnerability.” Photo: Warrick Page/MAX When fresh-faced grad nurse Emma Nolan steps into the Pitt for her first shift out of nursing school, she’s all nervous smiles. She knows this will be a chaotic day in the ER — the Fourth of July typically is. But as game and empathetic as Emma is, she’s not quite prepared for the sheer onslaught of ailments she encounters: maggots living beneath an unhoused man’s arm cast, a swollen penis from