The film is a highly fictionalized telling of a month in the life of the Zodiac Killer (played by Hal Reed). The film follows the killer (whose identity as the Zodiac Killer is not revealed until the end of the first act of the film) and a friend, Grover (a drunk, toupée-wearing truck driver who is divorced from his wife and in financial trouble from his divorce) as they meet and go about their normal day.
The film is a highly dramatized account of a month in the life of the Zodiac Murderer (played by Hal Reed). The film follows the killer (whose true identity as the Zodiac Killer remains concealed until the conclusion of the first act) and a companion, Grover (a drunk, toupee-wearing truck driver who is separated from his spouse and facing financial difficulties due to his divorce) as they encounter and go about their daily routine.