After awakening from a 5 year coma - the result of a serious car accident on his way home from an outing with his girlfriend - high school teacher Johnny Smith finds that he has developed the ability to foretell events. When a nurse is bathing him, he realizes that her house is on fire, endangering her daughter. When his doctor and confidant, Dr. Sam Weizak, touches him he has flashbacks to the trauma Weizak suffered when separated from his mother during World War II but also knows that the woman lives in a nearby city. Johnny also finds himself pining for his girlfriend, Sarah Bracknell, who has now married and has a young child. With his powers misunderstood, Johnny relocates and tries to put it all behind him, working out of his home as a tutor. However, when he shakes the hand of a young and upcoming political candidate, he is confronted with evidence that the man will, as President of the United States, launch a cataclysm that may destroy all of mankind.