Will Anderson and Elizabeth Hume are called to the vast Eloise Insane Asylum outside of Detroit, where Elizabeth's cousin Robbie is a patient and now a murder suspect. The victim, like three others before him at the asylum in recent months, was killed with the infamous "Punjab lasso," the murder weapon of the Phantom of the Opera. Certain of Robbie's innocence, they begin an investigation with the help of Detective Riordan. Will has himself committed...