致命病毒横扫英伦三岛，数十万人因此丧生。为应对威胁，临时政府对英国进行野蛮的隔离。虽然英国陷入恐惧和混乱，但是隔离检疫卓有成效，其它地区得以保全。三十年后，“收割者”病毒在主要城市爆发。一支精英小队被紧急派往任然处于隔离状态的英国，他们的任务是采取任何手段取得疫苗。孤立无援的小队必须依靠自己的力量杀出一条血路，完成任务。

An astronaut, known only as The Survivor, returns from space only to find Earth a desolate, post-nuclear wasteland. Spending the next ten years searching for others, he finds rumors and signs of a hidden underground city. He finds a woman who claims to know where the city is, but she is kidnapped before she can tell him. Desperate to locate this hidden remnant of humanity, he begins his pursuit of her captors.

Sidney Poitier and Michael Caine both received Emmy nominations for their performances in this made-for-TV movie. The plot follows Nelson Mandela's 27-year struggle to end apartheid.