《史前新紀元》描述主角群自願離開反烏托邦的未來，生活在類似於 8500 萬年前的一顆平行時間星球上，嘗試在荒野中求生。

很久之後的未來，人類生活在被岩石隔絕的地帶「圈落」（コロニー）。圈落外面的未開發地帶稱為「迷宮」（ラビリンス，Labyrinth）。冒著生命危險去開拓迷宮、標示未開發地帶的人，就是「標記人」（マーカー，Marker）

At its heart, Banished is a story of survival. Though it is set in the stark historical reality of the founding of the penal colony in Australia in 1788 after the arrival of the First Fleet, it is not the story of Australia and how it came to be. Rather, it is a tale of love, faith, justice and morality played out on an epic scale in a confined community where the stakes are literally life and death.

A look into the Belgian colonisation of Congo through interviews of both colonials as Congolese people that lived it.