Black Thursday. The day that will never be forgotten. The day that four passenger planes crash, at almost exactly the same moment, at four different points around the globe. There are only four survivors. Three are children, who emerge from the wreckage seemingly unhurt. But they are not unchanged. And the fourth is Pamela May Donald, who lives just long enough to record a voice message on her phone. A message that will change the world. The message is a warning.