In 2120, the human race is split into two. Inner humans live in a single city, enjoying the precious resources only left in the whole world. An energy barrider around the city separates it from the outside, where lies the forgotten Land, a desolate relic of the old world inhabited by outsiders without access to resources. The "forgotten Land" is "non-existent" to human beings in the city. The shield protects the city from the the invasion of the outside harsh environment and injects the inner citizens a `deceptive cognitive that the boundary of the world is just the barrider-- humans are  lying for themselves.