Unravel the mystery of a city in middle U.S.A. that imprisons everyone who enters. As the residents struggle to maintain a sense of normality and seek a way out, they must also survive the threats of the surrounding forest.

An invisible and mysterious force field descends upon the small town of Chester's Mill, Maine, USA, trapping residents inside, cut off from the rest of civilization. The trapped townspeople must discover the secrets and purpose of the "dome" or "sphere" and its origins, while coming to learn more than they ever knew about each other and animals too.