John Ellison, a disillusioned suburban ER doctor, finds his existence transformed when he intervenes in a drive-by shooting, saving a young boy's life and killing one of his attackers.

John Ellison, a disillusioned suburban ER doctor, finds his existence transformed when he intervenes in a drive-by shooting, saving a young boy's life and killing one of his attackers. When he learns the boy is still marked for death, he finds himself compelled to save him at any cost and discovers that his life and his outlook on medicine may never be the same.—USA Networks