Scarlett is a fifteen-year-old undercover detective, which keeps herself out of trouble. Her and her older sister Reem are orphans, as their mother died of cancer and their father was murdered. This time, however it seems like trouble has found her. After Gemma, a nine year old girl approaches Scarlett and asks her to investigate whether a local suicide was orchestrated by someone else, she finds herself being followed by two people, and from there things only get worse. The further she digs, the more she finds: a mysterious cult, an ancient relic, and a family secret.