It is sincere without being soppy, a balancing act most shows fall off. By the end you will know more about the affair than you ever planned to. Part of the runtime is a greatest-hits compilation, whether you asked for one or not. Meet Arizona, who has the air of someone who will be very important or very dead. The quote everyone will remember: "Is this one of your agents?" Strong enough to make the next episode feel like homework you actually want to do.