The ABC mystery-crime series Castle exemplifies an increasingly strong trend in the American culture: the use of grim, sensual, bizarre, disturbed, or perverse imagery and subject matter in works of popular art that promulgate positive values and attitudes.

Certainly Castle has plenty of immorality and other damaging personal behavior in evidence. Set in modern-day Manhattan, the series (which ends its brief first season tonight at 10 EDT) stars Nathan Fillion (Firefly) as wealthy mystery writer Richard Castle, who accompanies police detective Kate Beckett (Stana Katic, The Spirit, Quantum of Solace) on homicide investigations in order to glean valuable real-life knowledge to use in his murder mysteries. The conceit is that Castle is able to get this kind of access because he is a friend of the mayor and many other highly influential people in the city.

This cute premise enables the show to give viewers a view of Manhattan high life while ensuring its central characters are doing something highly worthwhile: bringing murderers to justice, of course. That has been a staple of mystery fiction dating back to the nineteenth century and exemplified by MGM’s highly enjoyable Thin Man film series of the 1930s and ’40s and the TV series Hart to Hart, Remington Steele, and McMillan and Wife. And in presenting the stories and circumstances behind the murder mysteries the couple is engaged in solving, Castle has plenty of opportunities to show the great variety of vices in New York City life both high and low.

The show’s overall approach thus fits right in with the contemporary trend of using sensationalistic subject matter and depictions of immoral, selfish, or irresponsible behavior to tell stories that make positive moral points.

This approach is evident in the characterizations of the people surrounding the title character. Castle’s mother, former Broadway star Martha Rodgers (superbly portrayed by Susan Sullivan) and his first ex-wife, Meredith (Darby Stanchfield), embody irresponsibility and selfishness, while Det. Beckett and Alexis, Castle’s daughter, represent good sense and altruism.

Katic portrays Beckett as a stolid, earnest, determined police detective with the attractiveness of a supermodel. (Yes, this is a Hollywood product.) A particularly laudable aspect of the show is how it portrays Alexis’s desire to be good while surrounded by temptations as she grows up wealthy in Manhattan; actress Molly Quinn conveys those stresses superbly.

Castle stands between those two pairs of women both literally and figuratively; he is no monk, and he is habitually given to much mockery and high spirits, but he is highly successful (and maintains an amazingly expansive Manhattan apartment) because he works hard and is one of the best in the world at what he does. While wealthy and privileged, he is occasionally taken down a peg or two, especially by Det. Beckett.

Castle, moreover, is often a slave to his desires (like human beings in general). In "Always Buy Retail" he excuses a choice he regrets by saying, "The thing with crazy people is: the sex is terrific!" Yet he is a very understanding and loving father to Alexis, and is more than willing to disregard his own safety in order to help Kate and the various crime victims he runs across.

In the pilot episode, "Flowers for Your Grave," Castle is presented as an annoying, wealthy, overprivileged smart-aleck, but in subsequent episodes the producers immediately toned down those unappealing qualities and showed him to be a willing learner in his role of following police investigations, and, more importantly, they stressed his positive qualities as a responsible and loving father to well-bred Alexis, whom he is raising as a single parent.

On the job as a consultant to the NYPD and Kate Beckett in particular, he shows great insights into people’s character and human nature in general, and typically at some point late in each episode he will convey some wise piece of character analysis that points the way toward the solution of the  mystery at the center of the story.

Thus Castle is a reasonably complex character and exemplifies the show’s approach. The overall impression the program sends is that life is not easy, but it still can and should be filled with joy. That’s a rather stark contrast to much of what is conveyed by the contemporary American culture, and the way that Castle melds that optimistic, positive spirit with strong moral messages is exemplary.

For example, episode 3, "Hedge Fund Homeboys" depicts a group of modern-day "vile bodies," a group of spoiled, privileged prep school teens, among whom a sexual triangle leads to premeditated murder. The self-confidence and smugness of the murderer are clearly a consequence of a spoiled upbringing, and he is a thoroughly unlikeable character–there’s no sympathy for the devil here.

That’s especially true because of the way Alexis dispels any potential cynicism in the episode and removes any excuses for the teens’ transgressions (such as blaming the parents or the culture), for she is not only well-behaved and morally astute, she has a powerful and active conscience. In a very affecting scene, she is wracked with guilt and insists that her father discipline her for a minor offense she had concealed from him until the guilt overpowered her and she felt compelled to confess.

Her earnestness about wanting to do the right thing is laudable and appealing. Even more importantly, her intentionality in making moral choices makes a strong case that people can and should be held responsible for their actions.

This idea is presented with similar force in episode 4, ‘Nanny McDead.’ A wealthy man who has been cheating on his wife with at least two different women causes a murder, as one of his mistresses kills the other out of rage when she finds out about this further betrayal. She is pregnant and had believed him when he told her he was planning to leave his wife and marry her. After talking her out of committing suicide, Kate discusses the husband’s role in the murder: "What that guy did had consequences, only he’ll get to just walk away," she says.

That’s true, and it vividly shows the awful consequences of adultery and the overweening selfishness it represents. The man’s adultery led directly not only to divorce but also to murder, and Beckett and the episode’s writers are careful to make sure we understand his full culpability. The combination of lust, anger, murder, and accurate attribution of moral responsibility makes for a powerfully moral story without any hint of preachiness.

The same is true of episode 7, "Home Is Where the Heart Stops." Beckett tells the grieving daughter of murder victim, who feels guilty for not being with her mother when murder occurred, "I’m telling you it’s not your fault. The ones to blame are the monsters that murdered your mother." The series is full of
such moments.

While presenting a good deal of sensationalistic subject matter, Castle does right by its viewers in refusing to give in to moral relativism or make vice and selfishness glamorous. It’s exemplary series television.

—S. T. Karnick