Gil Harper is travelling home in severe weather conditions when he encounters another car on a deserted motorway. The other driver provokes him into a dangerous race at high speed. Although deeply shaken by the experience, Gil eventually gets away and completes his journey safely.
A short time afterwards there begins a series of apparently unrelated events. What seems at first to be a vindictive game escalates into a terrifying ordeal with lethal consequences, not only for Gil, but for all those he loves and cares about.
Trouble isn't always personal
