John Ellis, a disillusioned suburban ER doctor, who 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.

• Jason O'Mara
• Jessica Szohr
• Beth Riesgraf
• Lauren Stamile
• Albert C. Bates