Season three of Silo continues the saga of a dystopian society of 10.000 people living underground under mysterious circumstances, while revealing an origin story set centuries earlier. In the present, Juliette Nichols survives her forced "cleaning" but returns with memory loss as the silo recovers from rebellion and faces a dangerous new threat. Meanwhile, in the "Before Times," journalist Helen Drew and Congressman Daniel Keene uncover a conspiracy that pulls them into a chain of events with catastrophic, irreversible consequences.

在被破坏、有毒的未来，数百层楼深的一个巨大地下筒仓中存在一个 社区，男人和女人生活在一个充满规章制度的社会里，凡是和“出去”有关的一切都成为致命禁忌。

丽贝卡·弗格森饰演独立而勤奋的工程师朱丽叶，她也担任执行制作人。

蒂姆·罗宾斯饰演IT主管伯纳德，加入了朱丽叶的队伍。