A young man who works at a nursing home uses the legendary Zodiac killer's M.O. to kill people who neglect their elderly relatives.

The infamous Zodiac Killer returns through string of copycat murders in this thriller. In modern-day Los Angeles, a young man is obsessed with recreating the killings of the Zodiac Killer, a gruesome serial killer who was never caught or even identified and remains one of the most mesmerizing killers in American history.—Joe Welch

Michael works at a nursing home and is growing tired of people who neglect to care for their elderly relatives. He reads a book by Simon Vale about the Zodiac Killer which inspires him to go on a killing spree. Michael claims Zodiac's title, targeting those who mistreat the elderly. The only person who suspects Michael is Simon Vale, who plans to use Michael's scheme as the subject for the latest revision of his book on the Zodiac killings.—allgood_2000