No, it's more like a mystery? Like, okay-

[Where'd he get that pen? Why is he clicking it so much.]

Let's tweak it. What if there's no new passenger, so it has to be someone that's already here? And, of course, people suspect you, but only you know you're innocent. That frees it up to maybe even be Rhys, and you get an actual showdown at the end after he spends a ton of the plot convincing everybody he's -

Y'know. The way he actually is.

[kind of high strung and ineffectual]

Then you get a really cool fight, because naturally you're the only one that can take him.