New Orleans native and private investigator Yumi Matthews finds herself steeped in a murder investigation – a far cry from the vision of reuniting people with their missing loved ones. Still, she devotes herself to investigating these supposedly unsolvable mysteries as a way to distract herself from the haunting disappearance of her own brother 10 years ago. Yet, while at this latest crime scene, she unveils a bizarre clue into her brother's cold case, which terrifies and excites her all at once. As she digs deeper into the case, the lines between reality and fantasy blur, causing her to question everything she knows. A cast of strangers gather around her, from the familiar Detective Joshua Boulliard to the new, and possibly dangerous, Ash. How far is she willing to go to discover the truth surrounding these mysterious clues?