Nothing is the same anymore.
Humans no longer roam the cities so they are all now broken and left to decay. Now, animals that have begun to evolve live in these cities and claim them as their own. Allister is one of the various animals that now inhabit the broken cities. Allister is a lion and Beibae is his blue jay.

In this new world Allister has learnt to survive. But, not all of the humans once living in his city have disappeared. What will happen when the lion meets the human?