The Shell (2020)

In a dystopian future the world is suffering from overpopulation A group of radicals calling themselves the Enthusiasts are trying to prove the Myth to the world The Myth is the world they are living in is inside of a shell and there is a bigger and unknown world outside of it Will a depressed and cynical assassin is determined to kill the leader of the Enthusiasts But when he fails to kill a young Enthusiast he begins to question whether or not the Myth may actually be true