Westworld has set itself up for a number of big reveals in its Season Two finale. Is William a human or host? Did he actually kill his daughter? What happens during the flood?

But the biggest reveal of all might be one that no one sees coming. One Reddit theory suggests that the real secret of the park is that Delos has figured out a way to control humans like hosts. Everything is code, after all. "The Forge contains (or is, we don't really know) a weapon. Up to now we know it stores only a large amount of datas about guests. And everyone think that this is only a door to immortality," Reddit user SolidusTom asks. "But how a door to immortality for humankind can be a weapon used against them? What is the real meaning of all the information stored there?"

The Redditor continues:

The famous question "no one else dares ask" is still unknown. I'm pretty sure the question isn't "Is it possible to create a Humanhost?" because it doesn't seem a question that can change our perspective on human nature, a question "no one dares ask". But it is a starting point for a much more obscure question. Because, if we can create a humanhost (and, despite the problem of cognitive plateau, the show clearly tells us that is possible), there is one subtle and terrible implication. If a human mind can be reduced to code (e.g. Ford in the Cradle), it means that.... "Everything is code here, William". Humans are made of "code", a different kind of code, than the one that is used for hosts, but still code!

They've already established that they've failed repeatedly at putting a human consciousness into a host. So, what if the next step in Delos's evil plan is to control humans as if they're hosts?

As we learn in Episode Nine, Delos has been using the hats to scan the brains of every human who enters the park. That means they have a massive amount of data about the brains and actions of every single guest. What if instead of making hosts versions of humans, they're simply learning how to control the coding of humans themselves?

There are many more points that supports my theory (e.g. the doubt of William of being a robot, ERW saying that the show changed her perspective about life), but really this post would become too loong.

I also think this will be the main revelation of the last episode of the season, but not the whole point of the show. Because by making this revelation the cornerstone of the show, Nolan and Lisa would say that free will is impossible. But clearly they are stating the opposite.

So, how can we, controllable humans following our loops, do free decisions? The show is also clear about this point: free will is gained through love and the pain that follows a loss of someone we love. It is in that moment that we can make a true decision, defining who we really are, and which hat, black or white, we want to choose.

It would also explain why William—if he is a human controlled by Ford—would continue to age. This would also be an extremely Westworld twist, one that forces viewers to question their own humanity and one that's confusing as hell.

Matt Miller Culture Editor Matt is the Culture Editor at Esquire where he covers music, movies, books, and TV—with an emphasis on all things Star Wars, Marvel, and Game of Thrones.

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