Deborah de Lille is an opera singer—in the least grand sense. Her future looks bleak … until her agent finagles her a role with a small-town company. Offenbach’s spooky opera, Tales of Hoffmann, features three leading ladies. The cast is well-acquainted, and familiarity has bred contempt. Debbie is the outsider, and someone is hell-bent on driving her out with smoke bombs, ghostly visitations, and booby-traps. If she stays the course, will opening night mean “curtains” for Debbie? [...]