Despite a desperate nation-wide manhunt, the Zodiac has never been caught and is still at large today Based on true events, The Zodiac is a psychological thriller detailing a string of gruesome murders in Northern California in the late 1960s. Sergeant Matt Parish (Justin Chambers), struggles to protect his wife (Robin Tunney) and son (Rory Culkin) while coping with the explosive media frenzy as he hunts the Zodiac killer; one of the most elusive and notorious serial killers in American history. Arguably the most intriguing unsolved murder case, the Zodiacs infamous killing spree still resonates today. There are numerous unproven and unofficial theories surrounding his identity, methods and the reasoning behind his high profile crimes, which continue to fascinate and horrify the public.