Mirror, Mirror

"Congratulations on your employment, monsieur. We hope the Opera Garnier may gain great things from your expertise, let me find the papers to sign-." In front of me was a pair of men in Victorian formalwear. They traded nervous glances as I stood there, swaying on my feet. ... Wait, what? (or: I blink and wake up in 1880s Paris, embroiled in the plot of the Phantom of the Opera)