Murder on the Eiffel Tower

In 1889 a woman collapses and dies on the newly constructed Eiffel tower. Can a bee-sting really be the cause? Or is there a more sinister explanation? Enter young bookseller Victor Legris, who was present on the Tower at the time of the death. He is determined to get to the truth. His investigation takes him all over the city. But what will he do when the deaths begin to multiply and he is caught in a race against time?