It is the year 1987, and Detective Georgia Cooke is called to investigate the massacre of four scientists who were brutally killed in inexplicable ways, with a single survivor who is the prime suspect. But as Georgia digs deeper, unraveling a complex case shrouded in mania, ritual, and occultism, her obsessive search for the truth turns into a nightmare that will endanger her family, career, and mental health. 37 years later, a new horrifying series of crimes will bring Georgia back into this nightmare as she faces the terrifying possibility that the horrors at Parrish Station were never completely buried.