In 1964, a team of scientists are trying to develop a view screen into the future. What they in fact get is a portal and they soon find themselves on the other side, 127 years into the future when the portal collapses. The Earth of the future is barren and they are soon attacked by mutated humans but rescued by a group of scientists who are building a spaceship to take them to a new planet. They learn that much of Earth was destroyed as the result of a nuclear war. When it's determined that the visitors from the past cannot be included in the planned voyage, they work furiously to rebuild the portal and return to their own time before departure day. Meanwhile, always under the threat of attack from the mutants , friendships are formed and they learn of life in the future including the use of robots for menial tasks. 一帮科学家正在紧张有序地开展实验，他们无意中开启了一个时空隧道，好奇的科学家一个接着一个进入了另一个时空，然而不幸降临了，唯一的时空隧道突然发生故障，他们无法返回实验室，雪上加霜的是，这个时空里的人生物莫名其妙地开始攻击他们……
