Retired Seattle cop Vincent Swan (Dennis Hopper) receives a postcard from a serial killer he thought long dead.He begins to wonder if he shot the wrong man or if he is being taunted by a copycat.When he learns of a string of Los Angeles murders that follow the Prophet's M.O., he starts his investigation, aided by an L.A. detective (Stephanie Zimbalist).But every move he makes only entangles him further in the Prophet's web, and the spider is advancing.