You fall into another world, where the heroes were defeated and
imprisoned, and the villains rule everything. But once in the other
world, you realize that you did not get into it in your body, but
in the body of a traitor who betrayed all the heroes and because of
which they were in prison. You have to get acquainted with many
characters and justify yourself in front of them, as well as draw
up an escape plan from this prison.