Private investigator Jasmine Shar has been hired to find Tessa Garrion, a young woman who has vanished without trace. What begins as a simple search awakens a malevolence that has lain dormant for three decades. As Jasmine uncovers a hidden history of sex, drugs, ritualism, and murder, she realises she may need a little help from the dark side herself if she's going to get to the truth.