Louis Feuillade, director of the Fantômas films, returns with this ten-episode espionage series following tenacious journalist Philippe Guerande (Édouard Mathé) as he works to infiltrate a notorious international crime ring known as The Vampires, and encounters sensuous burglar Irma Vep (Musidora) -- the elusive, black-clad beauty at the center of the enigmatic secret society.