In December 1924, private investigator Edward Carnby resumes his hunt for the supernatural when his partner Ted Striker vanishes while pursuing leads on a missing child named Grace Saunders. The investigation points toward Hell's Kitchen, a decaying estate controlled by the ruthless crime boss One-Eyed Jack and his criminal organization. After discovering Ted's body, Carnby is drawn into the mansion's dark secrets, where the line between criminal conspiracy and otherworldly horror begins to blur as he uncovers the truth behind Grace's abduction.