The film is a highly fictionalized telling of a month in the life of the Zodiac Killer (played by Hal Reed).

Taking his daughter hostage, the police are called and as he tries to escape, Grover sees the day's paper laying on the front steps announcing another murder by the Zodiac Killer.

Audience members were asked to write their answers to "I think the Zodiac kills because ..." and drop their entries into a large box in order to enter a raffle to win a motorcycle donated by Kawasaki.

The unsuspecting filmgoers didn't know that there was a volunteer crouched inside the box comparing their handwriting with samples of the Zodiac's, and that there were goons (including members of the film's cast) waiting in the wings ready to apprehend and interrogate anyone whose penmanship raised a red flag.

[5] Special features on the Blu-ray include a commentary track and an interview with director Tom Hanson and actor Manny Nedwick.