At midnight, a loud knock echoed through the quiet streets as Detective Marlowe arrived at the old mansion. He was investigating the mysterious disappearance of the wealthy owner, Mr. Grayson. Inside, everything was oddly silent. As he searched the study, he found a dusty book with a torn page—a clue. Behind the bookshelf, Marlowe discovered a hidden door. With a deep breath, he entered and uncovered a secret room where Mr. Grayson had faked his own disappearance to escape his debts. Case closed.