Convergent; fourth book to Divergent [Fan fiction]

We all DISLIKED the ending to Allegiant. DON'T SAY YOU DON'T. So, what if we told you Tris didn't die? Well, that's what happened. In Convergent, the fourth book in the Divergent series, you find out Tris DIDN'T die. Some random girl who looked a lot like Tris did...