Sherlock, Lupin y yo 2. Último acto en el teatro de la Ópera

Whisked out of Paris ahead of the Prussian army in 1870, twelve-year-old Irene Adler is reunited in London with her friends, Sherlock Holmes and Arsène Lupin--but Arsène's father has been arrested for murder and the kidnapping of a famous opera singer, and it is up to the three young detectives to solve the mystery.