A writer who studies the paranormal believes that low frequency tactile sound is the cause for reported ghost sightings in an abandoned subway station. In an attempt to debunk the sightings, she breaks into the station to record evidence.
马丁(Michael J. Fox 饰)才回到实际世界与女友团圆,布朗博士(Christopher Lloyd 饰)就心急火燎地把他们带到了30年后的将下世界,原来这一次是马丁将来的两个孩子因介进抢劫锒铛进狱,博士要携马丁一起阻拦悲剧产生。 周旋一番后,两个孩子被成功挽救,但三人回到实际世界后,却发明方圆产生了天崩地裂天翻地覆的改变,世界被贝夫(Th…