The Bridge: What's Next for Marco and Sonya?

The Bridge wrapped up its first season Wednesday, ending with an ominous vow of revenge on the part of Marco (Demian Bichir). Though the David Tate (Eric Lange) case is closed, Marco and Sonya (Diane Kruger) find themselves embroiled more than ever in the mystery of the missing girls of Juarez.

TVGuide.com spoke with executive producer Elwood Reid to get his thoughts on the finale, as well as a preview of where things are headed in Season 2.

"One of the things that kind of got lost in the shuffle of this whole serial killer thing [was that] the serial killer was pointing out the ills of Juarez, some of the problems that plagued both sides of the border, both in El Paso and Juarez," Reid said. "You can live by the serial killer and die by the serial killer [but] I think the audience gets fatigued. It's also boring to write, to be honest with you. ... The show is really about these people. It's not about this big case."

Check out the interview below and weigh in on the finale in the comments!

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By the time we get to the final episode, Marco and Sonya have sort of undergone a role reversal, with her being the one bringing him out of his shell after Gus' death.
Elwood Reid: He teaches her sort of how to care and worry about others. And as she does that, it has disastrous consequences on the bridge sequence, when she tries to lie to him. He taught her throughout the season, "Hey, sometimes you've got to tell people what they want to hear." ... The one time where it really, really matters, she tries it, and it hurts her to do it because she really wants badly to tell Marco what he wants to hear. And he knows, because he's taught her. He's like, "I see that you're lying. I know."... She feels responsible for what's befallen Marco. ... She's kind of given her heart to this guy, as much as someone with autism can give her heart to somebody.

What finally motivates Marco to get back to work?
Reid: If you followed Marco, you fundamentally believe that he's a good guy. He's a good man in an impossible place. And he's trying to take that same moral structure, that same code he has and transplant it across the border. Sometimes it works, sometimes it doesn't. He's a guy who I think realizes that there is no other choice [than] just get back up and try again. But I think he's motivated and consumed by revenge. He knows that he's not going to be able to enact any revenge ... in this current state. So he's sobering up, getting back to work. And I also think he's not done. For all of Sonya's imperfections as a police officer, I think he worries, "I can't show her too much. If I let her into my heart, she's going to know what I want to do and maybe try to stop me." He's a wily guy. I think he's playing a much longer game here.

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Has Marco crossed a line with vowing revenge on David Tate?
Reid: He hasn't crossed a line yet, but he's spoken something out loud to the devil. Now, whether it's ever acted on, just the very nature of looking into your heart and [acknowledging], it's in my heart. ... Marco, he's a guy who sort of lives on his emotions. His mistake, if there is a mistake, that he's making, is he's voicing this desire of his in front of someone who can make it happen. What are the repercussions of that? That's almost as interesting as him actually doing the act.

We've never seen him act like this before. Is it because he has nothing to lose now that Gus (Carlos Pratts) is dead and Alma (Catalina Sandino Moreno) and his daughters have left?
Reid: That was probably always why he maintained his integrity throughout everything, because he did have this bedrock family that he would go home to. He could look his wife and his children in the eye and say, "Look, I'm doing everything I possibly can here in this world that makes it really hard to do things." Now that those controls have been removed, how do I act? And again, I don't know the answer to that, and I think that's what's going to be the interesting journey of next season. How does a guy, untethered and unmoored to anything that holds him down to this moral center, behave? Does he do what he wants to do, or does Sonya try to stop him? Does he realize it's wrong? I think that's going to be the thing that's going to inform his character more than anything else.

What's Marco's connection to Fausto (Ramon Franco)?
Reid: We learn in the finale that one of the baddest guys on our show knows something about [Marco]. He has a secret. Why does Fausto give him a pass all the time? ... Fausto's been waiting for years for Marco to come to him, and Marco's finally come to him. What's going to be the cost of that? Is Sonya going to find out?

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Will there be another serial killer story line in Season 2?
Reid: Ultimately, that's not the show going forward. The show is really about these characters, this border, this place, the difficulties of policing both sides of the border. It's not serial killer of the year. It's not like 24 where you reset the clock and you're like, oh, here's another guy who's killing people. Let's go chase after him. Ultimately for the show to succeed, it needs to be about a place and about these characters. ... In our minds, it was always more interesting to learn about these characters in this world than it was, oh, here's another serial killer. His mommy didn't like him and his dad burned him with matches. That gets old quick.

So Sonya and Marco will be the focus of Season 2?
Reid: As they wade into this corruption case ... we're going to take a little more time and try to learn about their personal lives. Because really, both of them still have big mysteries to still unpack. Not just that Marco cheated with another man's wife and then that guy tried to exact revenge. There's other secrets that Marco has about, why is he not corrupt? Why is he a good man down there?

Especially after the events of the last couple of episodes, what will Sonya and Marco's relationship be in Season 2?
Reid: As we've seen in the finale, it's very, very dangerous for Sonya to naively go down [to Juarez] like Americans [do] and think they can just fix and solve all these crimes. Marco's going to be very protective of her involvement in that case. ... And again, in the finale, one of the things that becomes very clear is, he realizes that there are forces at work in Juarez, and on the other side of the border too, which Sonya has no comprehension of. So if she goes blindly blundering in there, like she's done several times throughout the season, she's in danger. So now, much like Sonya felt responsible for what happened to Marco, he worries, "If I just left her go off half-cocked, asking questions about the dead girls of Juarez and corrupt cops of Juarez, she's going to end up dead in a ditch. I don't want that blood on my hands."

Will Charlotte (Annabeth Gish) and the tunnel subplot also figure prominently in Season 2?
Reid: One of the advertising campaigns [that] at least in my mind has been operating as a sort of way to understand the show is, everybody is connected. You go down there and you see this city that's been bisected by this border. That's the goal of our show, is to make all those stories connect and interconnect and try to show this living organism of this border town. I think going forward, that's going to be where the show lives.

What did you think of the finale?