How far would you go to save your family from an invisible threat? A terrifyingly original thriller from the author of The Machine. ClearVista is used by everyone and can predict everything. It’s a daily lifesaver, predicting weather to traffic to who you should befriend. Laurence Walker wants to be the next President of the United States. ClearVista will predict his chances. It will predict whether he's the right man for the job. It will predict that his son can only survive for 102 seconds underwater. It will predict that Laurence's life is about to collapse in the most unimaginable way.