- A leisurely picnic takes a tragic turn when Ramlah sees a mysterious figure abducts her son and disappears. Shortly after, she begins encountering unexplained hauntings but her husband doesn`t believe her. But time and time again, clues lead her to believe that her son is close by and still alive, as she races against time to find him before it`s too late.
- 卫斯理(刘德华)是联合国外星生物分析局的特别成员,负责处理地球上一切和外星生物有关的事件。某次在古董店参观一块奇异的蓝色“人骨”时,卫斯理遇到少时曾有过一面之缘的、外表看来和一般美女无异的、血液是蓝色的外星人方天涯(关芝琳),当他想将其留住时,方天涯消失了。