Megan Blair is a physician who has lived with her Uncle Phillip
ever since her mother's death when Megan was 15. Her life is
comfortable and steady, until the night someone in a truck rams her
car repeatedly until she is run off the road. Phillip contacts a
government agent named Neal Grady to tell him of the attempt on
Megan's life.
Grady enters Megan's life --- or, rather, he re-enters it, since he
had spent time with Megan and her mother the summer Megan's mother
died. Grady watches Megan at the zoo as she spends time with the
young son of a friend. Suddenly she