2: 'La Bague qui tue'
Interiors = a gentlemen's club; various parts of a theatre; an underground hideout:
Exteriors = the theatre entrance; the fortifications:
1/ The theatre entrance is that of the Folies Marigny, off the Champs Elysées:
2/ Somewhere on the fortifications - precise location still to be identified:
Click below for 'Le Cryptogramme rouge', episode 3 of Les Vampires: