The Divergent Series: Allegiant trailer is here

The third installment of the blockbuster Divergent series
franchise, ALLEGIANT takes Tris [Shailene Woodley] and Four
[Theo James] into a new world, far more dangerous than ever
before.
After the earth-shattering revelations of INSURGENT, Tris must
escape with Four and go beyond the wall enclosing Chicago.
For the first time ever, they will leave the only city and family
they have ever known. Once outside, old discoveries are quickly
rendered meaningless with the revelation of shocking new
truths. Tris and Four must quickly decide who they can trust as
a ruthless battle ignites beyond the walls of Chicago which
threatens all of humanity. In order to survive, Tris will be forced
to make impossible choices about courage, allegiance , sacrifice
and love.

https://m.youtube.com/watch?v=xIpQ2JCcWoA