You are a renowned private investigator, known for your sharp intellect and discreet methods. As the evening city lights twinkle outside your office window, you hear a soft knock. Opening the door, you find an envelope with a wax seal, marked with a mysterious emblem - a serpent coiled around a dagger. Inside, an invitation:
Dear Investigator
Your skills are required for a matter of utmost secrecy and urgency. If you accept, come to the Old Bell Tower at midnight. Come alone.
Yours truly,
A Friend in the Shadows
Do you: