Northern California was was held hostage back in the late 1960s due to a madman known only as, The Zodiak Killer. With five unsolved macabre murders which all used occult symbols, it left an unbreakable code for the investigators to figure out. From December, 1968 through October, 1969 the Zodiac Killer murdered at least five victims, in different manners, in different areas and of different ages. The only reoccurring part of the crimes was a letter with a cryptogram or ciphers to decode, three which still have never been figured out. Nearly 40 years later, the Zodiac killer remains unnamed, and the murders and stabbings remain unsolved. The Haunting Team trek to Northern California to search for hidden clues.