ER is an American medical drama television series about the inner life of the doctors and nurses of fictional County General Hospital in Chicago, Illinois. In season 13, Abby delivers a premature baby while Sam suffers a terrifying ordeal at the hands of her ex-boyfriend. Meanwhile, the show’s longest-serving character Kerry Weaver departs when Kovac is forced to make budget cuts which threaten her job. Paramedic Tony Gates returns as the ER’s new intern, Kovac is sued for malpractice and is later forced to return to Croatia to care for his father.